header{
    color: red;
    background-color: black;
    font-family: Arial ;
    letter-spacing: 0.4cm;
    text-align: center;
}
body{
    background-color: black;
}
footer{
    position: fixed;
    bottom: 0;
    background-color: black;
    color: red;
    width: 100%;
    text-align: center;

}
img{
    float: right;
}
main{
    text-align: left;
    font-size: 20px;
    font-weight: bold;
    color: red;
    background-color: black;
    padding: 3%;
    width: 32%;
}
li {
    float: left;
}
li a {
    display: block;
    color: yellow;
    text-align: center;
    padding: 28px 32px;
    text-decoration: none;
}