SHAPE_15.css

/* ----------------------- SHAPE 15 ----------------------- */

.shape-15 {
    background: #1a4341;
    overflow: hidden;
}

.shape-15 span:first-child {
    width: 5rem;
    height: 6rem;
    border: 1rem solid #998235;
    position: absolute;
    top: -1rem;
}
.shape-15 span:first-child::before {
    content: '';
    display: block;
    width: 1rem;
    height: 17rem;
    background: #dda13d;
    margin-left: 1rem;
}

.shape-15 span:last-child {
    width: 9rem;
    height: 8rem;
    border: 1rem solid #dda13d;
    position: absolute;
    top: -1rem;
}

.shape-15 span:last-child::before {
    content: '';
    width: 9rem;
    height: 1rem;
    background: #998235;
    position: absolute;
    bottom: -3rem;
    left: -1rem;
}