* {
    box-sizing: border-box;
}

body {
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}

div {
    padding: 1em;
}

.container {
    border: 1px solid black;
}

#crystals {
    background: beige;
}

#scoreboard {
    background: lightcyan;
}

ul li {
    display: inline;
}

.crystal-image { 
    border: 3px solid CornflowerBlue;
    margin: 1.5em;
    padding: 0.75em;
    border-radius: 0.5em;
}