body {
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
    header {
        h1 {
            margin-bottom: 0;
        }
        h3 {
            margin: 0;
        }
    }
    div.content {
        form {
            label {
                font-size: small;
            }
        }
        input, button {
            margin: 0.5em;
            padding: 0.25em;
        }
        button {
            width: 50%;
        }
        .message {
            min-width: 80%;
            height: auto;
            margin: 5px auto;
            padding: 5px;
            font-size: small;
            color: white;
            &.info {
                border: 1px solid blue;
                background: rgba(0, 0, 255, 0.5);
            }
            &.warning {
                border: 1px solid red;
                background: rgba(255, 0, 0, 0.5);
            }
            &.success {
                border: 1px solid green;
                background: rgba(0, 255, 0, 0.5);
            }
        }
        img.skin {
            width: 60%;
            padding: 0 1em 1em 1em;
            image-rendering: pixelated;
        }
    }
    &.dark {
        color: #a9a9a9;
        background-color: #111;
    }
    &.light {
        color: #000;
        background: #fff;
    }
    footer {
        font-size: small;
        width: 100%;
        height: auto;
        position: absolute;
        bottom: 0;
        left: 0;
        text-align: center;
    }
}