* {
    box-sizing: border-box;
}

body {
    margin: 3px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
main {
    background-color:rgb(208, 206, 197);
    text-align: center;
    height:auto; width:auto;
    background-repeat:round;
    overflow: hidden;
}
main  h1 {
    text-align: center;
}
section:nth-child(even) {
    min-height: 75vh;
}
main, section {
    text-align: left;
}
footer {
    background-color: #333;
    overflow: hidden;
}
footer a {
    text-decoration: none;
    padding: 20px;
    text-align: center;
    float: left;
    color: white;
}
footer a:hover{
    text-decoration: underline;
    color: tomato;
}