Example
*{
padding: 0px;
margin: 0px;
box-sizing: border-box;
}
body{
height: 100vh;
display: flex;
justify-content: center;
flex-direction: column;
align-item: center;
background: linear-gradient(rgb(47,150,163), rgb(48,62,143));
font-family:..........;
color: white;
}