nav {
    position: fixed;
    bottom: 1em;
    right: 1em;


}

nav a{
    font-size: 1.5em;
    text-decoration: none;
    color: black;
    border: 1px solid black;
    padding: 1em;
    display: inline-block;
    border-radius: 50%;
    background: white;
   
}

body.home a{
   
    font-size: 1.5em;
    text-decoration: none;
    color: black;
    border: 1px solid black;
    padding: 1em;
    margin-bottom: 1em;
    display: inline-block;
    border-radius: 50%;
    border-width: 
 
    margin-right: 1em;
    
}