.accordion {
    display: flex;
    flex-direction: column;
    width: calc(100% - 20px);
    height: auto;
}
.accordion .a-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding-bottom: 10px;
}
.accordion .a-container .a-btn {
    margin: 0;
    position: relative;
    padding: 15px 30px;
    width: calc(100% - 40px);
    color: #575757;
    display: block;
    font-weight: 500;
    background-color: #e0e0e0;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    border-radius: 5px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, .15), 0 10px 10px -5px rgba(0, 0, 0, .1) !important;
}
.accordion .a-container .a-btn .expand-button {
    display: block;
    position: absolute;
    height: 14px;
    width: 14px;
    right: 20px;
    top: 18px;
}
.accordion .a-container .a-btn .expand-button:after {
    content: '';
    width: 14px;
    height: 3px;
    border-radius: 2px;
    background-color: #575757;
    position: absolute;
    top: 6px;
}
.accordion .a-container .a-btn .expand-button:before {
    content: '';
    width: 14px;
    height: 3px;
    border-radius: 2px;
    background-color: #575757;
    position: absolute;
    top: 6px;
    transform: rotate(90deg);
    transition: all 0.3s ease-in-out;
}
.accordion .a-container .a-panel {
    width: 100%;
    color: #262626;
    transition: all 0.2s ease-in-out;
    opacity: 0;
    height: auto;
    max-height: 0;
    overflow: hidden;
    padding: 0 10px;
}
.accordion .a-container.active .a-btn {
    color: black;
}
.accordion .a-container.active .a-btn span::before {
    transform: rotate(0deg);
}
.accordion .a-container.active .a-panel {
    padding: 15px 10px 10px 10px;
    opacity: 1;
    max-height: 100%;
}