h1 {
    font-size: x-large;
}

h2 {
    font-family: "Comic Sans MS";
}

.colon {
    display: inline-block;
}

input {
    text-align: center;
}

div.clockcenter {
    text-align: center;
}

.green {
    display: inline-block;
    background-color: green;
    color: white;
}

.red {
    display: inline-block;
    background-color: red;
    color: white
}

.inline {
    display: inline-block;
}