* {
    margin: 0;
    padding: 0;
    border: none;
    outline: none;
    background: transparent;
}

@each $object in (Death, Empty, Goal, HorizontalBridge, Player, Portal, Trap, VerticalBridge, Wall) {
    .$(object) {
        background: url('../img/$(object).png');
    }
}

body {
    background-color: #e0e0e0;
}

h1 {
    font-size: 48px;
    text-align: center;
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
    color: #fff;
    background-color: #2196f3;
    padding: 32px 0;
    margin-bottom: 64px;
}

a {
    display: block;
    text-align: center;
    margin-top: 64px;
    img {
        text-align: center;
        max-width: 512px;
        height: auto;
    }
}

.level {
    position: relative;
    max-width: 512px;
    width: 100%;
    margin: 0 auto;
}

.empties, .objects, .players {
    position: absolute;
    top: 0;
    left: 0;
}

.object {
    position: absolute;
    background-size: contain;
    background-repeat: no-repeat;
}

.empties {
    z-index: 1;
}

.objects {
    z-index: 2;
}

.players {
    z-index: 3;
}