hover über einem DIV (ohne Link)

HTML

<div>
    <a href="">Was ein geiler Text</a>
</div>

CSS

div {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    margin: 40px auto;
    background: red;
}

div:click {
    background: black;
}

div a {
    color: #fff;
    padding: 25%;
    display: block;
    text-decoration: none;
    font-size: 20px;
}


/* styling basics */
html {padding: 20px 0; background-color: #efefef;}
body {width: 80%; padding: 40px; margin: 0 auto; background: #fff; box-shadow: 1px 1px 5px rgba(0,0,0,0.5); font-family: Verdana, Arial, sans-serif; font-size: 14px;}