#mainnav a:hover {
    position: relative;
    top: -1px;
}

footer a:hover{
    color: white;
    position:relative;
    top: -1px;
}

@media only screen and (max-width: 600px) {
    footer a{
        border-radius: 20px;
        background-color: gray;
        color: black;
        padding: 10px;
    }
}