:root{--background-color: #121212;--text-color: #ffffff;--primary-color: #7101fa}body{margin:0;padding:0;font-family:Arial,Helvetica,sans-serif;background-color:var(--background-color)}button{padding:.75rem;background:var(--primary-color);color:var(--text-color);border:none;border-radius:4px;cursor:pointer;font-weight:700}