body { background-color: white; margin: 0; padding: 0; font-family: Verdana, sans; } header { width: 100%; height: 100px; margin: 0; padding: 0; border-bottom: 1px solid black; } header h1 { font-size: 200%; margin: 0; padding: 0 0 0 120px; position: relative; top: 50%; transform: translateY(-50%); } header #logo { float: left; width: 100px; height: 100px; padding: 0; margin: 0; text-align: center; border-right: 1px solid black; background-image: url(../img/logo.png); background-size: 100px; } aside { width: 100px; float: left; } section#main { margin: 0 0 0 100px; padding: 20px; border-left: 1px solid black; height: 100%; max-width: 40em; } section#main h1:first-child { margin-top: 0; } h1 { font-size: 160%; } h2 { font-size: 140%; } h3 { font-size: 120%; } h4, h5, h6 { font-size: 100%; } .form-row { padding-top: 5px; padding-bottom: 5px; } label { padding-right: 1em; } label::after { content: ":"; } input.url { width: 25em; } .formish { } .json-key { color: brown; } .json-value { color: navy; } .json-string { color: olive; } button { font-size: 120%; padding: 0.5em; } button.confirm-pay { float: right; } /* We use fading to hide slower DOM updates */ .fade { -webkit-animation: fade 0.7s; animation: fade 0.7s; opacity: 1; } @-webkit-keyframes fade { from {opacity: 0} to {opacity: 1} } @keyframes fade { from {opacity: 0} to {opacity: 1} }