.fixed-table-container {
    position: relative;
}

.fixed-table-container-inner {
    overflow-y: auto;
    height: 100%;
}

div.fixed-table-container div table thead tr th {
    padding: 0;
    border: 0;
}

.th-inner {
    position: absolute;
    top: 0;
    text-align: left;
    height:30px;
    border:1px solid #ddd;
    border-bottom:0px;
    background-color: #d9edf7;
    color: #3a87ad;
    padding-left:5px;
}

.hidden-header .th-inner {
    position: static;
    overflow-y: hidden;
    height: 0;
    border:0;
}