body{display:flex;justify-content:center}.container{width:400px;display:flex;flex-direction:column;align-items:center;gap:50px;background-color:#00bfff}.container>.head{position:relative;width:100%;height:100px;display:flex;justify-content:center;align-items:center;background-color:#f6f6f6}.container>.footer{width:calc(100% - 8px);height:80px;font-size:20px;margin-bottom:3px;display:flex;align-items:center;justify-content:center;background-color:#f6f6f6}