#clock {
position: sticky;
float: right;
font-family: 'Arial', sans-serif;
font-size: 28px; <!--48px-->
font-weight: bold;
color: #333; <!--#333-->
text-align: center;
padding: 20px;
background-color: #f0f0f0;
border-radius: 10px;
width: 110px; <!--300px-->
margin: 50px auto;
}