html {
    10px;
}



#central {
    width: 30rem; 
    height: 30rem;
    background-image: radial-gradient(circle,rgba(63,94,251,1) 0%, rgba(252,70,107,1) 100%);
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    border-radius: 50%;
}


a:link{
    color: black;
    text-decoration: none;
}

a:visited: {color: black;
    text-decoration: none;}

a:hover {
    color: black;
    outline-width: 15px;
    outline-style: solid;
}