a {
    text-decoration: none;
}
a:hover{
    text-decoration: underline;
}

body{
    background: white;
    font-family: Arial, Helvetica, sans-serif; 
    color: black;
    margin: 0;
    padding: 0;
}


div{
    text-align: center;
}

footer{
    background: black;
    columns: white;
    padding: 10px; 
}

h1 {
    color: red;
}

header{
    background: black;
    color: white;
    padding: 10px; 
    text-align: center;
}

li{
    display:inline-block;
    margin-right: 20px;
}

nav{
    padding: 0%;
}

section{
    padding: 20px;
}


ul{
    margin: 0;
    padding: 0;
    list-style-type: none;
}