#layout { position: fixed; width: 100vw; height: 100vh; z-index: 999; background: #ececec;} html, body {margin: 0; height: 100%; overflow: hidden;} body {line-height: 1.15; font-family: Verdana,Tahoma,sans-serif;color: #000;margin: 0;} h1 { border-bottom: solid 1px #ececec; margin-bottom: 1rem; padding-bottom: 0.5rem;} .main {max-width: 420px;margin: 200px auto 30px;padding: 0 11px;} .main > h1 {font: 30px/118% Verdana,Tahoma,sans-serif;color: #333;margin: 20px 0 15px;} .main > p {font-size: 14px;line-height: 160%;} .main .buttons a { border: 1px solid #c9c9c9; background-color: #f4f4f4;box-shadow: none;color: #464646;cursor: pointer;user-select: none;appearance: none;touch-action: manipulation;padding: 0 13px;height: 32px; border-radius: 3px; font-size: 13px; display: inline-flex; align-items: center; justify-content: center; margin-right: 5px; font-weight: 500;font-family: "-apple-system",BlinkMacSystemFont,Arial,sans-serif; }