body {
    
    background-color: #2e2413;


background-image: linear-gradient(90deg, rgba(255,255,255,.07) 50%, transparent 50%),
linear-gradient(90deg, rgba(255,255,255,.13) 50%, transparent 50%),
linear-gradient(90deg, transparent 50%, rgba(255,255,255,.17) 50%),
linear-gradient(90deg, transparent 50%, rgba(255,255,255,.19) 50%);
background-size: 13px, 29px, 37px, 53px;
}

.subpage {
    width:90%;
    margin-left:auto;
    margin-right:auto;
    border:3px solid #1d170c;
    background-color:#ffffff;
}

.example {
    color:#4f8a7a;
    font-weight:bolder;
}