html, body { margin: 0; width: 100%; height: 100%; } form { margin: 0; padding: 0; } img { border: none; display: block; } h1, h2, h3, h4, h5, h6 { margin: 0; } a { cursor: pointer; text-decoration: none; } a:hover { text-decoration: underline; } a:active, a:focus { outline: none; } p { margin: 0; }