css styles container code example
Example: div container style
<div class="tab-content col-md-12"
style=" width:600px;
box-shadow: 3px 3px 3px 3px grey;
margin:10px;
background-color: #E0D8D6;
">
<div class="tab-content col-md-12"
style=" width:600px;
box-shadow: 3px 3px 3px 3px grey;
margin:10px;
background-color: #E0D8D6;
">