HTMLify

body{
    background-color:gray;
                                                       
}
h1{
    letter-spacing: 3px;
}
.container{
    background-color:darkgrey;
    width: 80%;
    margin-left: 10%;
    margin-right: 10%;
    margin-top: 3%;
    padding: 10px;
    font-size: 20px;
    box-shadow:5px 5px 20px whitesmoke;
    animation: container 3s infinite;
    letter-spacing: 2px;
}