@media (min-width: 70.5em) {
h1 {
    font-size: 3rem;
    margin: 0.20rem;
}
}
h2 {
    font-size: 3.5rem;
}

header,
footer {
    border-radius: 20px;
}
header img{
    box-shadow: 0 0 30px #444;
    float: right;
    border-radius: 0 14px 0 0;
}

.navigation{
 display: flex;   
}