body { font-family: monospace; text-align: justify; } h1 { text-align: center; } img { display: block; margin-left: auto; margin-right: auto; width: 50%; } .inline { display: inline; } .link-button { background: none; border: none; color: blue; text-decoration: underline; cursor: pointer; font-size: 1em; font-family: serif; } .link-button:focus { outline: none; } .link-button:active { color:red; }