.kk-collapse {
    display: block;
    overflow: hidden;
    opacity: 0;
    max-height: 0;
    transition: all .5s cubic-bezier(0, 1, 0, 1);
}

.kk-collapse.show {
    height: auto!important;
    opacity: 1;
    overflow: visible;
    max-height: 9999em!important;
    transition: all .5s ease-in-out;
}

.kk-toggle-text {
    background: url(arrow-down.png) no-repeat 2px center;
    padding-left: 20px;
    cursor: pointer
}

.kk-toggle-text.show {
    background-image: url(arrow-up.png);
}