body{
    width: auto;
    margin-left: 5%;
    margin-right: 5%;
}
header{
    text-align: center;
    background-color: beige;
    border-radius: 15%;
}
header>h1{
    color: #007cc2;
    padding-bottom: 10px;
    font-size: 50px;
}
nav>ul{
    list-style-type: none;
    display: flex;
    flex-direction: row;
    margin: 0;
}
nav>ul>li{
    flex-grow: 1;
}
nav>ul>li>a{
    text-decoration: none;
    background-color: lightgray;
    text-align: center;
    color: #000000;
    display: block;
    padding: 1em;
}
nav>ul>li>a:hover{
    background-color: lightcoral;
}