body {
    background:#fff;
    color:#000;
    font-family:sans-serif;
}

div#content {
    margin: 0px auto;
}

h1 {
    margin:10px;
    font-size:3em;
}

h1, h2 {
    color:#00177A;
}

.button {
    font-size: 1.5em;
    padding: 17px;
}

.hidden {
    display: none;
}

#all_words.visible, #found_words.visible {
    width:768px;
    margin:0 auto;
}

.duplicate {
    text-decoration: line-through;
}