.dynamic-content {
    overflow: hidden;
    -webkit-transition: max-height 0.25s ease-in-out;
    -moz-transition: max-height 0.25s ease-in-out;
    -o-transition: max-height 0.25s ease-in-out;
    transition: max-height 0.25s ease-in-out;
    width: 100%;
    margin-bottom: 5px;
    position: relative;
}

.dynamic-selector.ds-active .dynamic-content:before {
    background: -moz-linear-gradient(top, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
    background: -webkit-linear-gradient(top, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#00ffffff', endColorstr='#ffffff', GradientType=0);
    bottom: 0;
    right: 0;
    left: 0;
    content: ' ';
    height: 25px;
    position: absolute;
    z-index: 1;
}