#inp,button{font-size:28px}body{font-family:verdana;background:linear-gradient(to right,#2c5364,#203a43,#0f2027)}button{width:100%;cursor:pointer;font-weight:700;color:#fff;padding:10px;background-color:#33333a}.btn-color{color:transparent}#a{display:inline-block;border:10px solid #888;border-radius:8px;margin:50px auto}#inp{padding:8px 12px;color:#333}.aa{color:#f97575}