@media(max-width:700px) {
    body .table {
        width: 700px;
    }
}

#btn-back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    z-index: 1;
}

.sticky_row {
    position: sticky;
    top: 0;
    left: 0;
    background: none;
    border-left: none;
    border-right: none;
}

.sticky_row::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    z-index: -1;
}

.sticky_col {
    position: sticky;
    top: 0;
    left: 0;
    background: none;
    border-top: none;
    border-bottom: none;
    z-index: 2;
}

.sticky_col::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;    
    z-index: -1;
}

.sticky_colsub {
    position: sticky;
    top: 64px;
    left: 0;
    background: none;
    border-top: none;
    border-bottom: none;
    z-index: 1;
}

.sticky_colsub::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;    
    z-index: -1;
}

.table_frame {
    height: 900px;
    overflow: auto;
}

.sticky_cross {
    position: sticky;
    top: 0;
    left: 0;
    background: none;
    border-top: none;
    border-bottom: none;
    border-left: none;
    border-right: none;    
    z-index: 3;
}

.sticky_cross::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

ul li label {
    display: block;
}