* {
    box-sizing: border-box;
    font-family: Helvetica, Arial, sans-serif;
}

body{
    margin: 0;
    padding: 0;
}

header, footer {
    background: SaddleBrown;
    color: white;
    text-align: center;
    padding: 7px;
}

.content {
    display: flex;
    width: 100%;
    height: 760px;
}

.left {
    width: 80%;
    display: flex;
    flex-direction: column;
}

.menu {
    background: Peru;
    height: 60px;
    padding-top: 20px;
}

.menu a {
    color: #DDD;
    text-decoration: none;
    font-size: 140%;
    padding-left: 90px;
}

.menu a:hover {
    color: white;
}

.main {
    width: 100%;
    height: 700px;
    font-size: 120%;
    overflow: auto;
    padding: 10px;
}

.right {
    width: 20%;
    height: 760px;
    background: Peru;
    color: white;
    padding: 10px;
}

img {
    float: left;
    margin: 30px;
}