div.category > input {
    color: white;
    font-size: 120%;
    font-weight: bold;
    background-color: blue;
    border: 1px solid darkblue;
    border-radius: 1em;
    height: 2em;
    width: 20em;
    margin: 5px;
    float: left;
    cursor: pointer;
}
div.category > input:hover {
    border: 1px solid blue;
    background-color: darkblue;
}
div.active > input {
    background-color: darkblue;
}
div.button > input {
    color: white;
    font-size: 120%;
    font-weight: bold;
    background-color: red;
    border: 1px solid darkred;
    border-radius: 1em;
    height: 2em;
    width: 20em;
    margin: 5px;
    float: left;
    cursor: pointer;
}
div.button > input:hover {
    background-color: darkred;
}