21.1 css file of 21.css

body{
    background-color:palegoldenrod
}
h1{
    background-color: aquamarine;
    width: fit-content;
}
p input{
    font-size: 150%;
    background-color:blue;
    color:white;
}
p button{
    background-color: black;
    color:yellow;
    font-size: 120%;
    margin-left:100px;
}