body {
    background: #f5f5f5;
    font-family: Tahoma;
}

.content{
    padding-top: 30px;
}

.table thead th {vertical-align: middle;}

.my_header
{
    border-bottom: 2px solid #aaa;
    background: #fff;
    padding: 20px 0 20px 0;
}

.top_margin{margin-top:50px;}

.table_div{
    background: #fff; 
    border: 1px solid #fcfcfc;
    margin-top:20px;
    padding: 20px;
}

.tab-pane {padding: 10px;}

.main-menu{list-style-type:none;}
.main-menu li{
    display: inline;
    padding: 0 10px 0 10px;
}