.accordion {
    background-color:transparent;
    cursor: pointer;
    padding: 18px;
    width: 100%;
    border-top-left-radius: 30px;
    border-bottom-right-radius: 30px;
    text-align: left;
    outline: none;
    font-size: 15px;
    transition: 0.5s;
}

    .active, .accordion:hover {
        background-color: transparent;
        -webkit-box-shadow: inset 0px 0px 25px 0px rgba(117,179,255,1);
        -moz-box-shadow: inset 0px 0px 25px 0px rgba(117,179,255,1);
        box-shadow:inset 0px 0px 25px 0px rgba(204,204,204,1);
    }

.panel {
    background-color: transparent;
    box-shadow:  0px 0px 25px 0px rgba(204,204,204,1);
    border-top-right-radius: 30px;
    border-bottom-left-radius: 30px;
    border-bottom-right-radius: 30px;
    padding: 0 18px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}