body {
    background-color: #FFD6D6;

    background-image:
        linear-gradient(#F2C2C2 1px, transparent 1px),
        linear-gradient(90deg, #F2C2C2 1px, transparent 1px);

    background-size: 25px 25px;
}


.main-content {
    margin-left: 20px;
    margin-right: 20px;
}