footer{background-color:rgba(51,51,51,.8)}footer .copy{color:#ccc;box-sizing:border-box;font-size:.75rem;margin:0 auto;padding:8px;text-align:center;width:100%;max-width:var(--inner)}html{height:100%}body{min-height:100%;display:flex;flex-direction:column}main{flex:1}