body{

    margin:0;

    font-family:Arial, sans-serif;

}

nav{

    background:#00263A;

    padding:15px;

}

nav a{

    color:white;

    text-decoration:none;

    margin-right:25px;

    font-weight:bold;

}

header{

    background:#0F4C81;

    color:white;

    text-align:center;

    padding:80px 20px;

}

main{

    width:80%;

    margin:auto;

    padding:40px;

}

.button{

    display:inline-block;

    background:#0F4C81;

    color:white;

    padding:12px 20px;

    border-radius:6px;

    text-decoration:none;

    font-weight:bold;

}

.button:hover{

    background:#154d7d;

}