.is-expandable {
    margin: 1px 0;
    background: rgba(120, 120, 120, .1);
}

.is-expandable .title {
    margin: 0;
    padding: .7rem 2.5rem .7rem 1rem;
    cursor: pointer;
    position: relative;
    background: rgba(120, 120, 120, .3);
    color: inherit;
    font-size: 1em;
    font-weight: normal;
}

.is-expandable .title .icon {
    display: block;
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%) rotate(-45deg);
    width: 1rem;
    height: 1rem;
    transition: all ease 200ms;
}

.is-expandable .title .icon::before {
    content: '';
    display: block;
    width: 100%;
    height: 2px;
    position: absolute;
    top: calc(50% - 1px);
    left: 0;
    background: currentColor;
}

.is-expandable .title .icon::after {
    content: '';
    display: block;
    width: 2px;
    height: 100%;
    position: absolute;
    top: 0;
    left: calc(50% - 1px);
    background: currentColor;
}

.is-expandable.is-closed .title .icon {
    transform: translateY(-50%) rotate(0deg);
}

.is-expandable .content {
    padding: 1rem;
    transition: all 300ms ease;
    overflow: hidden;
}

.is-expandable .content > *:first-child {
    margin-top: 0;
}

.is-expandable .content > *:last-child {
    margin-bottom: 0;
}

.is-expandable.is-closed .content {
    margin: 0;
    line-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    color: transparent;
    row-gap: 0;
}

.is-expandable.is-closed .content * {
    margin-top: 0;
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 0;
    height: 0;
    border: none !important;
}