body {
    background-color: mistyrose;
    font-family: Arial;
}
ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: crimson;
}

li {
    float: left;
}

li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

li a:hover {
    background-color: #111;
}
 {
    box-sizing: border-box;
}

div {
    background-color: crimson;
    width: 700px;
    border: 20px solid crimson;
    padding: 2px;
    margin: 10px;
} 
.left {
    position: absolute;
    left: 60px;
    top: 99px;
}
.right {
    position: absolute;
    right: 60px;
    top: 99px;
}
.footer {
    background-color: black;
    padding: 10px;
    text-align: center;
    width:auto;
    border-color: black;
}