arrow dropdown

.accordion-description__title.delivery:before,
.accordion-description__title.delivery:after {
    content: "";
    transform: rotate(45deg);
    transition: .2s all;
    position: absolute;
    right: 16px;
    top: 7px;
    background: #229fff;
    width: 2px;
    height: 10px;
}
.accordion-description__title.delivery:before {
    transform: rotate(-45deg);
    right: 22px;
}
.accordion-description__title[aria-expanded="true"]:before {
    transform: rotate(-135deg);
}
.accordion-description__title[aria-expanded="true"]:after {
    transform: rotate(135deg);
}