:root{--color-primary: #efa44a;--color-light-gray: #dfedf2;--color-white: #e7f0f4;--color-black: #222e33}html,body{height:100%;width:100%}body{display:flex;flex-direction:column;background:var(--color-white);color:var(--color-black)}.header{background:linear-gradient(90deg,rgba(255,0,0,1) 0%,rgba(255,154,0,1) 10%,rgba(208,222,33,1) 20%,rgba(79,220,74,1) 30%,rgba(63,218,216,1) 40%,rgba(47,201,226,1) 50%,rgba(28,127,238,1) 60%,rgba(95,21,242,1) 70%,rgba(186,12,248,1) 80%,rgba(251,7,217,1) 90%,rgba(255,0,0,1) 100%);background-size:600%;color:var(--color-white);font-weight:700;padding:2rem;text-align:center;font-size:1.5rem;text-transform:uppercase;letter-spacing:.1em;animation:header-crawl 120s linear infinite forwards}.header-content{text-shadow:0 0 1rem rgba(0,0,50,.3),0 0 .25rem rgba(0,0,50,.2);opacity:.9;background:transparent}@keyframes header-crawl{0%{background-position:0%}to{background-position:600%}}.main{flex:2;background:var(--color-white)}.main-content{max-width:800px;margin:auto;padding:1rem 2rem}.footer{background:var(--color-light-gray)}.footer-content{max-width:800px;margin:auto;padding:1rem 2rem;text-align:center}