diff --git a/layouts/v7/modules/Install/Step2.tpl b/layouts/v7/modules/Install/Step2.tpl
index 1211724ea55fd6f1aab6d39b8a76f8d30b41356a..dd7c5ae9b9541f42961268c89d5dbed8f79fdd50 100644
--- a/layouts/v7/modules/Install/Step2.tpl
+++ b/layouts/v7/modules/Install/Step2.tpl
@@ -224,7 +224,7 @@
 			<div class="row">
 				<div class="col-sm-12">
 					<div class="button-container">
-						<input name="back" type="button" class="btn btn-large" value="{vtranslate('LBL_DISAGREE', 'Install')}"/>
+						<input name="back" type="button" class="btn btn-default" value="{vtranslate('LBL_DISAGREE', 'Install')}"/>
 						<input id="agree" type="submit" class="btn btn-large btn-primary" value="{vtranslate('LBL_I_AGREE', 'Install')}"/>
 					</div>
 				</div>
diff --git a/layouts/v7/modules/Install/Step3.tpl b/layouts/v7/modules/Install/Step3.tpl
index 830eb34df22e681f6d18d8dfeea296e90115f441..9afd1516a409ba4ea862c508de3aae2abcdd5e43 100644
--- a/layouts/v7/modules/Install/Step3.tpl
+++ b/layouts/v7/modules/Install/Step3.tpl
@@ -32,7 +32,7 @@
 						<div class=" pull-right">
 							<div class="button-container">
 								<a href ="#">
-									<input type="button" class="btn" value="{vtranslate('LBL_RECHECK', 'Install')}" id='recheck'/>
+									<input type="button" class="btn btn-default" value="{vtranslate('LBL_RECHECK', 'Install')}" id='recheck'/>
 								</a>
 							</div>
 						</div>
@@ -103,7 +103,7 @@
 				<div class="col-sm-2"></div>
 				<div class="col-sm-8">
 					<div class="button-container">
-						<input type="button" class="btn btn-large" value="{vtranslate('LBL_BACK', 'Install')}" name="back"/>
+						<input type="button" class="btn btn-default" value="{vtranslate('LBL_BACK', 'Install')}" name="back"/>
 						<input type="button" class="btn btn-large btn-primary" value="{vtranslate('LBL_NEXT', 'Install')}" name="step4"/>
 					</div>
 				</div>
diff --git a/layouts/v7/modules/Install/Step4.tpl b/layouts/v7/modules/Install/Step4.tpl
index aaec91255b6b7d21af7a84fbf85434ece86c761c..f358877d786088e4ab182ef530e6bc1e71a7c5e0 100644
--- a/layouts/v7/modules/Install/Step4.tpl
+++ b/layouts/v7/modules/Install/Step4.tpl
@@ -157,7 +157,7 @@
 			<div class="row">
 				<div class="col-sm-12">
 					<div class="button-container">
-						<input type="button" class="btn btn-large" value="{vtranslate('LBL_BACK','Install')}" name="back"/>
+						<input type="button" class="btn btn-default" value="{vtranslate('LBL_BACK','Install')}" name="back"/>
 						<input type="button" class="btn btn-large btn-primary" value="{vtranslate('LBL_NEXT','Install')}" name="step5"/>
 					</div>
 				</div>
diff --git a/layouts/v7/modules/Install/Step5.tpl b/layouts/v7/modules/Install/Step5.tpl
index 92d88313a7786d722b6cdfc3df0164e0c6560b1a..a1df25808d87e0b04e008c4c63294a73d8010fed 100644
--- a/layouts/v7/modules/Install/Step5.tpl
+++ b/layouts/v7/modules/Install/Step5.tpl
@@ -99,7 +99,7 @@
 				<div class="col-sm-2"></div>
 				<div class="col-sm-8">
 					<div class="button-container">
-						<input type="button" class="btn btn-large" value="{vtranslate('LBL_BACK','Install')}" {if $DB_CONNECTION_INFO['flag'] eq true} disabled= "disabled" {/if} name="back"/>
+						<input type="button" class="btn btn-default" value="{vtranslate('LBL_BACK','Install')}" {if $DB_CONNECTION_INFO['flag'] eq true} disabled= "disabled" {/if} name="back"/>
 						{if $DB_CONNECTION_INFO['flag'] eq true}
 							<input type="button" class="btn btn-large btn-primary" value="{vtranslate('LBL_NEXT','Install')}" name="step6"/>
 						{/if}
diff --git a/layouts/v7/modules/Vtiger/EmailPreview.tpl b/layouts/v7/modules/Vtiger/EmailPreview.tpl
index b4a132c4b5194ab1b197ddccaa80bb6a19f03d2f..04c027e9f7bf06a7451cfe4062d0426d613343ec 100644
--- a/layouts/v7/modules/Vtiger/EmailPreview.tpl
+++ b/layouts/v7/modules/Vtiger/EmailPreview.tpl
@@ -6,183 +6,180 @@
 * Portions created by vtiger are Copyright (C) vtiger.
 * All Rights Reserved.
 ************************************************************************************}
-{strip}
-    <div class="SendEmailFormStep2 modal-dialog modal-lg" name="emailPreview">
-        <div class="modal-content">
-            <input type="hidden" name="parentRecord" value="{$PARENT_RECORD}"/>
-            <input type="hidden" name="recordId" value="{$RECORD_ID}"/>
-            <form class="form-horizontal" id="massEmailForm" method="post" action="index.php" enctype="multipart/form-data" name="massEmailForm">
-                {assign var=HEADER_TITLE value={vtranslate('SINGLE_Emails', $MODULE)}|cat:" "|cat:{vtranslate('LBL_INFO', $MODULE)}}
-                {include file="ModalHeader.tpl"|vtemplate_path:$MODULE TITLE=$HEADER_TITLE}
-                <div class="modal-body" id='emailPreviewScroll'>
-                    <div class="row">    
-                        <div class="col-lg-6">
-                            <div class="row email-info-row">
-                                <span class="col-lg-12">
-                                    <span class="col-lg-4">
-                                        <span class="pull-right">{vtranslate('LBL_FROM',$MODULE)}</span>
-                                    </span>
-                                    <span class="col-lg-8">
-                                        <span class="row-fluid">{$FROM}</span>
-                                    </span>
-                                </span>
-                            </div>
-                            <div class="row email-info-row">
-                                <span class="col-lg-12">
-                                    <span class="col-lg-4">
-                                        <span class="pull-right">{vtranslate('LBL_TO',$MODULE)}</span>
-                                    </span>
-                                    <span class="col-lg-8">
-                                        {if empty($TO)}
-                                            {assign var=TO value=array()}
-                                        {/if}
-                                        {assign var=TO_EMAILS value=","|implode:$TO}
-                                        <span class="row-fluid">
-                                            <span class="col-sm-10 paddingLeft0"><p class="textOverflowEllipsis">{$TO_EMAILS}</p></span>
-                                            {if $TO|@count > 1}
-                                                <span class="col-sm-2">
-                                                    <a href="#" data-toggle="dropdown" style="text-transform: lowercase;">{vtranslate('LBL_MORE',$MODULE)}</a>
-                                                    <ul class="dropdown-menu" style="padding:3px 6px; max-height:200px;" id="toAddressesDropdown">
-                                                        {foreach item=TO_ADDRESS from=$TO}
-                                                            <li>{$TO_ADDRESS}</li>
-                                                        {/foreach}
-                                                    </ul>
-                                                </span>
-                                            {/if}
-                                        </span>
-                                    </span>
-                                </span>
-                            </div>
-                        </div>
-                        <div class="col-lg-6">
-                            <div class="email-preview-toolbar pull-right">
-                                {if $RECORD->getEmailFlag() neq 'SAVED'}
-                                    <button type="button" name="previewReply" class="btn btn-sm" data-mode="emailReply">
-                                        <strong>{vtranslate('LBL_REPLY',$MODULE)}</strong>
-                                    </button>
-                                    {if count($TO) > 1 || !empty($CC) || !empty($BCC)}
-                                        <button type="button" name="previewReplyAll" class="btn btn-sm" data-mode="emailReplyAll">
-                                            <strong>{vtranslate('LBL_REPLY_ALL',$MODULE)}</strong>
-                                        </button>
-                                    {/if}
-                                {/if}
-                                <button type="button" name="previewForward" class="btn btn-sm" data-mode="emailForward">
-                                    <strong>{vtranslate('LBL_FORWARD',$MODULE)}</strong>
-                                </button>
-                                {if $RECORD->getEmailFlag() eq 'SAVED'}
-                                    <button type="button" name="previewEdit" class="btn btn-sm" data-mode="emailEdit">
-                                        <strong>{vtranslate('LBL_EDIT',$MODULE)}</strong>
-                                    </button>
-                                {/if}
-                                <button type="button" name="previewPrint" class="btn btn-sm" data-mode="previewPrint">
-                                    <strong>{vtranslate('LBL_PRINT',$MODULE)}</strong>
-                                </button>
-                            </div>
-                        </div>
-                    </div>
-                    <div class="row">
-                        <div class="col-lg-8">
-                            {if !empty($CC)}
-                                <div class="row email-info-row">
-                                    <span class="col-lg-12">
-                                        <span class="col-lg-3">
-                                            <span class="pull-right">{vtranslate('LBL_CC',$MODULE)}</span>
-                                        </span>
-                                        <span class="col-lg-9">
-                                            <span class="row-fluid">
-                                                {$CC}
-                                            </span>
-                                        </span>
-                                    </span>
-                                </div>
-                            {/if}
-                            {if !empty($BCC)}
-                                <div class="row hide email-info-row">
-                                    <span class="col-lg-12">
-                                        <span class="col-lg-3">
-                                            <span class="pull-right">{vtranslate('LBL_BCC',$MODULE)}</span>
-                                        </span>
-                                        <span class="col-lg-9">
-                                            <span class="row-fluid">
-                                                {$BCC}
-                                            </span>
-                                        </span>
-                                    </span>
-                                </div>
-                            {/if}
 
-                            <div class="row email-info-row">
-                                <span class="col-lg-12">
-                                    <span class="col-lg-3">
-                                        <span class="pull-right">{vtranslate('LBL_SUBJECT',$MODULE)}</span>
-                                    </span>
-                                    <span class="col-lg-9">
-                                        {$RECORD->get('subject')}
-                                    </span>
-                                </span>
-                            </div>
+{strip}
+	<div class="SendEmailFormStep2 modal-dialog modal-lg" name="emailPreview">
+		<div class="modal-content">
+			<input type="hidden" name="parentRecord" value="{$PARENT_RECORD}"/>
+			<input type="hidden" name="recordId" value="{$RECORD_ID}"/>
+			<form class="form-horizontal" id="massEmailForm" method="post" action="index.php" enctype="multipart/form-data" name="massEmailForm">
+				{assign var=HEADER_TITLE value={vtranslate('SINGLE_Emails', $MODULE)}|cat:" "|cat:{vtranslate('LBL_INFO', $MODULE)}}
+				{include file="ModalHeader.tpl"|vtemplate_path:$MODULE TITLE=$HEADER_TITLE}
+				<div class="modal-body" id='emailPreviewScroll'>
+					<div class="row">
+						<div class="col-lg-6">
+							<div class="row email-info-row">
+								<span class="col-lg-12">
+									<span class="col-lg-4">
+										<span class="pull-right">{vtranslate('LBL_FROM',$MODULE)}</span>
+									</span>
+									<span class="col-lg-8">
+										<span class="row-fluid">{$FROM}</span>
+									</span>
+								</span>
+							</div>
+							<div class="row email-info-row">
+								<span class="col-lg-12">
+									<span class="col-lg-4">
+										<span class="pull-right">{vtranslate('LBL_TO',$MODULE)}</span>
+									</span>
+									<span class="col-lg-8">
+										{if empty($TO)}
+											{assign var=TO value=array()}
+										{/if}
+										{assign var=TO_EMAILS value=","|implode:$TO}
+										<span class="row-fluid">
+											<span class="col-sm-10 paddingLeft0"><p class="textOverflowEllipsis">{$TO_EMAILS}</p></span>
+											{if $TO|@count > 1}
+												<span class="col-sm-2">
+													<a href="#" data-toggle="dropdown" style="text-transform: lowercase;">{vtranslate('LBL_MORE',$MODULE)}</a>
+													<ul class="dropdown-menu" style="padding:3px 6px; max-height:200px;" id="toAddressesDropdown">
+														{foreach item=TO_ADDRESS from=$TO}
+															<li>{$TO_ADDRESS}</li>
+														{/foreach}
+													</ul>
+												</span>
+											{/if}
+										</span>
+									</span>
+								</span>
+							</div>
+						</div>
+						<div class="col-lg-6">
+							<div class="email-preview-toolbar pull-right">
+								{if $RECORD->getEmailFlag() neq 'SAVED'}
+									<button type="button" name="previewReply" class="btn btn-sm btn-default" data-mode="emailReply">
+										{vtranslate('LBL_REPLY',$MODULE)}
+									</button>
+									{if count($TO) > 1 || !empty($CC) || !empty($BCC)}
+										<button type="button" name="previewReplyAll" class="btn btn-sm btn-default" data-mode="emailReplyAll">
+											{vtranslate('LBL_REPLY_ALL',$MODULE)}
+										</button>
+									{/if}
+								{/if}
+								<button type="button" name="previewForward" class="btn btn-sm btn-default" data-mode="emailForward">
+									{vtranslate('LBL_FORWARD',$MODULE)}
+								</button>
+								{if $RECORD->getEmailFlag() eq 'SAVED'}
+									<button type="button" name="previewEdit" class="btn btn-sm btn-default" data-mode="emailEdit">
+										{vtranslate('LBL_EDIT',$MODULE)}
+									</button>
+								{/if}
+								<button type="button" name="previewPrint" class="btn btn-sm btn-default" data-mode="previewPrint">
+									{vtranslate('LBL_PRINT',$MODULE)}
+								</button>
+							</div>
+						</div>
+					</div>
+					<div class="row">
+						<div class="col-lg-8">
+							{if !empty($CC)}
+								<div class="row email-info-row">
+									<span class="col-lg-12">
+										<span class="col-lg-3">
+											<span class="pull-right">{vtranslate('LBL_CC',$MODULE)}</span>
+										</span>
+										<span class="col-lg-9">
+											<span class="row-fluid">
+												{$CC}
+											</span>
+										</span>
+									</span>
+								</div>
+							{/if}
+							{if !empty($BCC)}
+								<div class="row hide email-info-row">
+									<span class="col-lg-12">
+										<span class="col-lg-3">
+											<span class="pull-right">{vtranslate('LBL_BCC',$MODULE)}</span>
+										</span>
+										<span class="col-lg-9">
+											<span class="row-fluid">
+												{$BCC}
+											</span>
+										</span>
+									</span>
+								</div>
+							{/if}
 
-                            <div class="row email-info-row">
-                                <span class="col-lg-12">
-                                    <span class="col-lg-3">
-                                        <span class="pull-right">{vtranslate('LBL_ATTACHMENT',$MODULE)}</span>
-                                    </span>
-                                    <span class="col-lg-9">
-                                        {if count($RECORD->getAttachmentDetails()) le 0}
-                                            {vtranslate('LBL_NO_ATTACHMENTS',$MODULE)}
-                                        {else}
-                                            {foreach item=ATTACHMENT_DETAILS  from=$RECORD->getAttachmentDetails()}
-                                                <i class="fa fa-download"></i>&nbsp;
-                                                <a &nbsp; 
-                                                    {if array_key_exists('docid',$ATTACHMENT_DETAILS)} 
-                                                        &nbsp; href="index.php?module=Documents&action=DownloadFile&record={$ATTACHMENT_DETAILS['docid']} 
-                                                        &fileid={$ATTACHMENT_DETAILS['fileid']}" 
-                                                    {else} 
-                                                        &nbsp; href="index.php?module=Emails&action=DownloadFile&attachment_id={$ATTACHMENT_DETAILS['fileid']}" 
-                                                    {/if}
+							<div class="row email-info-row">
+								<span class="col-lg-12">
+									<span class="col-lg-3">
+										<span class="pull-right">{vtranslate('LBL_SUBJECT',$MODULE)}</span>
+									</span>
+									<span class="col-lg-9">
+										{$RECORD->get('subject')}
+									</span>
+								</span>
+							</div>
 
-                                                    >{$ATTACHMENT_DETAILS['attachment']}</a>&nbsp;&nbsp; 
-                                            {/foreach}
-                                        {/if}
-                                    </span>
-                                </span>
-                            </div>
-                        </div>
-                    </div>
-                    <textarea style="display:none;" id="iframeDescription">{$RECORD->get('description')}</textarea>
-                    <div class="row email-info-row">
-                        <div class="col-lg-2" style="padding-right:10px;">
-                            <div class="pull-right">{vtranslate('LBL_DESCRIPTION',$MODULE)}</div>
-                        </div>
-                        <div class="col-lg-10">
-                            <div class="email-body-preview">
-                                <iframe frameBorder="0" scrolling='yes' id="emailPreviewIframe" style='width: 100%; overflow-y:visible; height:100%;'>
-                                </iframe>
-                            </div>
-                        </div>
-                    </div>  
-                    <hr>
-                    <div class="row">
-                        <span class="col-lg-12" style="text-align: center;">
-                            <span class="muted">
-                                {if $RECORD->get('email_flag') eq "SAVED"}
-                                    <small><em>{vtranslate('LBL_DRAFTED_ON',$MODULE)}</em></small>
-                                    <span><small><em>&nbsp;{Vtiger_Util_Helper::formatDateTimeIntoDayString($RECORD->get('createdtime'))}</em></small></span>
-                                {else}
-                                    <small><em>{vtranslate('LBL_SENT_ON',$MODULE)}</em></small>
-                                    {assign var="SEND_TIME" value=$RECORD->get('date_start')|@cat:' '|@cat:$RECORD->get('time_start')}
-                                    <span><small><em>&nbsp;{Vtiger_Util_Helper::formatDateTimeIntoDayString($SEND_TIME)}</em></small></span>
-                                {/if}
-                            </span>
-                        </span>
-                    </div>
-                    <div class="row">
-                        <span class="col-lg-12" style="text-align: center;">
-                            <span><strong> {vtranslate('LBL_OWNER',$MODULE)} : {getOwnerName($RECORD->get('assigned_user_id'))}</strong></span>
-                        </span>
-                    </div>
-                </div>
-            </form>
-        </div>
-    </div>
+							<div class="row email-info-row">
+								<span class="col-lg-12">
+									<span class="col-lg-3">
+										<span class="pull-right">{vtranslate('LBL_ATTACHMENT',$MODULE)}</span>
+									</span>
+									<span class="col-lg-9">
+										{if count($RECORD->getAttachmentDetails()) le 0}
+											{vtranslate('LBL_NO_ATTACHMENTS',$MODULE)}
+										{else}
+											{foreach item=ATTACHMENT_DETAILS from=$RECORD->getAttachmentDetails()}
+												<i class="fa fa-download"></i>&nbsp;
+												<a	{if array_key_exists('docid',$ATTACHMENT_DETAILS)} 
+														href="index.php?module=Documents&action=DownloadFile&record={$ATTACHMENT_DETAILS['docid']}&fileid={$ATTACHMENT_DETAILS['fileid']}" 
+													{else} 
+														href="index.php?module=Emails&action=DownloadFile&attachment_id={$ATTACHMENT_DETAILS['fileid']}" 
+													{/if}>{$ATTACHMENT_DETAILS['attachment']}</a>&nbsp;&nbsp; 
+											{/foreach}
+										{/if}
+									</span>
+								</span>
+							</div>
+						</div>
+					</div>
+					<textarea style="display:none;" id="iframeDescription">{$RECORD->get('description')}</textarea>
+					<div class="row email-info-row">
+						<div class="col-lg-2" style="padding-right:10px;">
+							<div class="pull-right">{vtranslate('LBL_DESCRIPTION',$MODULE)}</div>
+						</div>
+						<div class="col-lg-10">
+							<div class="email-body-preview">
+								<iframe frameBorder="0" scrolling='yes' id="emailPreviewIframe" style='width: 100%; overflow-y:visible; height:100%;'>
+								</iframe>
+							</div>
+						</div>
+					</div>
+					<hr>
+					<div class="row">
+						<span class="col-lg-12" style="text-align: center;">
+							<span class="muted">
+								{if $RECORD->get('email_flag') eq "SAVED"}
+									<small><em>{vtranslate('LBL_DRAFTED_ON',$MODULE)}</em></small>
+									<span><small><em>&nbsp;{Vtiger_Util_Helper::formatDateTimeIntoDayString($RECORD->get('createdtime'))}</em></small></span>
+								{else}
+									<small><em>{vtranslate('LBL_SENT_ON',$MODULE)}</em></small>
+									{assign var="SEND_TIME" value=$RECORD->get('date_start')|@cat:' '|@cat:$RECORD->get('time_start')}
+									<span><small><em>&nbsp;{Vtiger_Util_Helper::formatDateTimeIntoDayString($SEND_TIME)}</em></small></span>
+								{/if}
+							</span>
+						</span>
+					</div>
+					<div class="row">
+						<span class="col-lg-12" style="text-align: center;">
+							<span><strong> {vtranslate('LBL_OWNER',$MODULE)} : {getOwnerName($RECORD->get('assigned_user_id'))}</strong></span>
+						</span>
+					</div>
+				</div>
+			</form>
+		</div>
+	</div>
 {/strip}