#tab_header {
    background-color: #FFFFFF;
}

#tab_header > div {
    border-bottom: 1px solid black;
    padding: 1em;
}

#tab_content > .user_left_content {
    float: left;
    height: 96%; 
    width: 95%; 
    margin: 1% 2% 1% 1%;
    background: linear-gradient(to bottom, #eaf7ff 0%,#c0d3ea 2%,#c0d3ea 100%,#7db9e8 100%); /* W3C */
    border: 1px solid #81BEF7;
    border-radius: 5px 5px 0px 0px;
    box-sizing: border-box;
    
    padding-top: 37px;
}

.user_left_content .container {
    overflow-y: scroll;
    overflow-x: hidden; 
    
    height:100%;
}

.user_left_content table {
    width: 100%;
    font-size: 1.6em;
    table-layout:fixed;
}

.user_left_content table td,
.user_left_content table th {
    border-bottom:1px solid #eee;
    color: #000;
    padding: 10px 15px 10px 0px;
    overflow: hidden;
}

.user_left_content table tr:nth-of-type(even) {
    background-color: #FAFAFA;    
}

.user_left_content table tr:nth-of-type(odd) {
    background-color: #FFFFFF;    
}

.user_left_content table tr:hover {
    background-color: #F8ECE0;  
    cursor: pointer;
}

.user_left_content table th {
    height: 0;
    line-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    color: transparent;
    border: none;
    white-space: nowrap;
}
.user_left_content table th div{
    position: fixed;
    color: #606060;
    padding: 10px 10px 3px 0px;
    margin-top: -40px;
    line-height: normal;
}

#tab_content > .user_right_content {
    height: 97%;
    width: 0%;
}