.collapsible {
    background-color: #f3e2a9;
    /*color: white;*/
    cursor: pointer;
    padding: 2px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    /*font-size: 15px;*/
}

    .active, .collapsible:hover {
        background-color: #f8ebc0;
    }

.content1 {
    display: none;
    overflow: hidden;
    /*background-color: #f1f1f1;*/
}