.accordion {
    background-color: #000;
    color: #fff;
    cursor: pointer;
    padding: 16px;
    width: 70%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 18px;
    transition: .7s;
    margin-bottom: 10px;
    border-radius: 15px;
}
.active, .accordion:hover {
    background-color: #383838;
}

.accordion:after {
    content: '\002B';
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    float: right;
    margin-left: 5px;
}

.active:after {
    content: "";
}

.panel {
    padding: 0 18px;
    color: #212121;
    background-color: #fff;
    max-height: 0;
    overflow: hidden;
    transition: max-height .7s ease-out;
}

.price__mobile {

}

@media (max-width: 545px) {
    .accordion {
        width: 100%;
        font-size: 16px;
    }
}