#navtabs {
    list-style-type: none;
    margin: 0px;
    padding: 0px;
    text-align: center;
    border-bottom: 1px solid #DCDCDC;
    overflow: hidden;
    background-color: white;
}

#navtabs li {
    display: inline-block;
    cursor: pointer;

    white-space: nowrap;
    font-weight: bold;

    padding: 0em 1em;

    transition: background 0.5s;
}

#navtabs li.disabled {
    pointer-events: none;
    opacity: 0.5;
}

#navtabs li a {
    display: block; 
    line-height: 3em;
    padding: 0em 1em;
    width:100%;
    text-decoration: none;
    color: #555;
    border-bottom: 2px solid transparent;
}

#navtabs li:hover a {
    border-bottom: 2px solid #EEE;
}

#navtabs li.on a {
    border-bottom: 2px solid #DCDCDC;
}

.tabelem{
    position: relative;
}

.fixed_block{ 
    background-color: white; 
    width: 880px;
}

.anchor{
    display: block;
    position: absolute;
}