<template name="default">
	<div class="main-container">
		{{> header}}
		{{> Template.dynamic template=yield}}
		{{> footer}}
	</div>
</template>

<template name="default">
	<div class="container">
		{{> header}}
		{{> Template.dynamic template=yield}}
		{{> footer}}
	</div>
</template>

Fix main container class name
Fix main container class name
