@font-face {
    src: url("../fonts/OpenSans.ttf");
    font-family: OpenSans;
}

body {
    background-image: url("../images/grid.png");
    margin: 0;
}

#ui {
    background-color: #eee;
    box-shadow: 0 0 0.5em 0.1em #999;
    font-family: OpenSans, Verdana, sans-serif;
    height: 100%;
    padding: 1em;
    position: fixed;
    width: 20em;
}

hr {
    border-color: #99e;
}

input[type="number"] {
    width: 5em;
}

input[disabled="disabled"] {
    cursor: not-allowed;
}

#copyright {
    bottom: 0;
    position: fixed;
}

#cover {
    background-color: #eee;
    height: 2em;
    position: fixed;
    width: 22em;
    z-index: 1;
}

#ui-toggle {
    background-color: #eee;
    box-shadow: 0 0 0.5em 0.1em #999;
    cursor: pointer;
    left: 21.5em;
    position: fixed;
}

#preview {
    width: 3em;
}

img:not([id="preview"]) {
    position: absolute;
    transform: translate(-50%, -50%);
    user-select: none;
    z-index: -1;
}