body,html{
width: auto;
max-width: 650px;
position: relative;
margin: auto;
}
#sidebar_wrap{
float: left;
width: 0;
overflow-x: hidden;
overflow-y: auto;
background: white;
position:
fixed;
top: 0;
bottom: 0;
z-index: 3;
background-color:
#41474B;
}
.panel-left-menu-fon {
background-color: #41474B;
padding: 10px;
}