html {
    scroll-behavior: smooth;
    font-family: arial, serif;
    background: radial-gradient(circle, transparent 20%, var(--white) 20%, var(--white) 80%, transparent 80%, transparent) 0 0 / 82px 82px, radial-gradient(circle, transparent 20%, #E4E4ED 20%, #E4E4ED 80%, transparent 80%, transparent) 41px 41px / 82px 82px, linear-gradient(#1A8FE5 2px, transparent 2px) 0 -1px / 41px 41px, linear-gradient(90deg, #1A8FE5 2px, #E4E4ED 2px) -1px 0 / 41px 41px #E4E4ED;
    background-size: 82px 82px, 82px 82px, 41px 41px, 41px 41px;
}