.collapsible {
    background-color: rgb(0, 128, 128);
    color: white;
    cursor: pointer;
    padding: 8px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 15px;
    border-radius: 0px;
}

.active,
.collapsible:hover {
    background-color: rgb(0, 72, 100);
}

.content {
    padding: 0 8px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
    background-color: #f1f1f1;
    font-family: sans-serif;
    border-radius: 0px;
}