.documents_list{
    margin-left: 3px; 
    border: 1px solid #b0b0b0; 
    border-radius: 5px; 
    height: 26px; 
    background-color: #f0f0f0; 
    text-align: center;
    margin-bottom: 20px;
}

.documents_span{
    height: 30px; 
    line-height: 26px; 
    font-weight: bold;
}

#side_list .selected{
    background-color: #b0b0b0;
}

#side_list ul > li{
    display: inline-block;
    border: 1px solid #b0b0b0;
    padding: 10px;
    cursor: pointer;
}

#side_list ul{
    text-align: center;
}

#side_list{
    padding-top: 10px;
}
.empty_td{
    border: none !important;
    background-color: transparent !important;
}

.cont_td{
    border: none !important;
    background-color: transparent !important;
}