.comparsion_table_sect .comparsion_table {
    overflow-y: hidden;
    position: relative;
    max-height: 320px;
}
.comparsion_table_sect .comparsion_table:after {
    content: '';
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    max-height: 100%;
    background-image: linear-gradient(transparent, #ffffff);
    transition-property: opacity, visibility;
    transition-duration: 0.5s;
}
.comparsion_table_sect.opened .comparsion_table:after {
    opacity: 0;
    visibility: hidden;
}