body {
    margin: 0;
    user-select: none;
    overflow: hidden;
    background-color: #D8EBFF;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    perspective: 5000px;
}

.debug {
    position: absolute;
    top: 5px;
    left: 5px;
    background-color: lightgray;
    z-index: 1;
}

.debug span, 
.debug input[type=range],
.debug input[type=button] {
    display: block;
}

.debug .selectedBlockPreview {
    display: inline-block;
    height: 50px;
    width: 50px;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
}

.game {
    transform-style: preserve-3d;
    margin: 0 auto;
    margin-top: 50vh; 
    transform: rotateY(20deg) rotateX(-5deg);
    position: fixed;
    left:  0;
    right: 0;
}

.game .block {
    margin-left: 0;
    transform-style: preserve-3d;
    position: absolute;
}

.game .block div {
    width: 100px;
    height: 100px;
    position: absolute;
    background-size: cover;                    
    background-repeat: no-repeat;
    background-position: center center; 
}

.game .block .top {
    transform: rotateX(90deg);
    margin-top: -50px;
}
 
.game .block .right {
    transform: rotateY(90deg); 
    margin-left: 50px;
}
 
.game .block .bottom {
    transform: rotateX(90deg);
    margin-top: 50px;
}
 
.game .block .left {
    transform: rotateY(-90deg);
    margin-left: -50px;
}
 
.game .block .front {
    transform: translateZ(50px); 
}
 
.game .block .back {
    transform: translateZ(-50px); 
}

.game .block div:hover {
    filter: brightness(120%) !important;
}

.game .slime {
    margin-left: 0;
    transform-style: preserve-3d;
    position: absolute;
    will-change: left, transform, top;
    transition: left 2s, transform 2s, ease-in top .5s;
    animation: slimeJump 1s infinite;
}

.game .slime div {
    width: 50px;
    height: 50px;
    position: absolute;
    background-size: cover;                    
    background-repeat: no-repeat;
    background-position: center center; 
    top: -50px;
    left: 25px;
}

.game .slime .shadow {
    transform: rotateX(90deg);
    background-color: rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    margin-top: 25px; 
    animation: slimeShadow 1s infinite;  
}

.game .slime .top {
    transform: rotateX(90deg);
    margin-top: -25px;
    background-image: url("../img/slime/top.png");
}
 
.game .slime .right {
    transform: rotateY(90deg); 
    margin-left: 25px;
    background-image: url("../img/slime/right.png");
}
 
.game .slime .bottom {
    transform: rotateX(90deg);
    margin-top: 25px;
    background-image: url("../img/slime/bottom.png");
}
 
.game .slime .left {
    transform: rotateY(-90deg);
    margin-left: -25px;
    background-image: url("../img/slime/left.png");
}
 
.game .slime .front {
    transform: translateZ(25px); 
    background-image: url("../img/slime/front.png");
}
 
.game .slime .back {
    transform: translateZ(-25px); 
    background-image: url("../img/slime/back.png");
}

.game .slime .inner {
    transform-style: preserve-3d;
    position: absolute;
    top: 10px;
    margin-left: -15px;
}

.game .slime .inner div {
    width: 30px;
    height: 30px;
    position: absolute;
    background-size: cover;                    
    background-repeat: no-repeat;
    background-position: center center; 
    background-image: url("../img/slime/inner.png");
}

.game .slime .inner .top {
    transform: rotateX(90deg);
    margin-top: -15px;
}
 
.game .slime .inner .right {
    transform: rotateY(90deg); 
    margin-left: 15px;
}
 
.game .slime .inner .bottom {
    transform: rotateX(90deg);
    margin-top: 15px;
}
 
.game .slime .inner .left {
    transform: rotateY(-90deg);
    margin-left: -15px;
}
 
.game .slime .inner .front {
    transform: translateZ(15px); 
}
 
.game .slime .inner .back {
    transform: translateZ(-15px); 
}

.game .block.fallingBlock {
    will-change: top;
    transition: ease-in top .5s;
}

.game .block div.tntBlink {
    animation: tntBlink 2s; 
}   

.game .block div.tntBlink.top.expand {
    animation: tntTop .5s;
}

.game .block div.tntBlink.bottom.expand {
    animation: tntBottom .5s;
}

.game .block div.tntBlink.left.expand {
    animation: tntLeft .5s;
}

.game .block div.tntBlink.right.expand {
    animation: tntRight .5s;
}

.game .block div.tntBlink.front.expand {
    animation: tntFront .5s;
}

.game .block div.tntBlink.back.expand {
    animation: tntBack .5s;
}

@keyframes tntBlink {
    0% {
        filter: brightness(150%);
    }

    20% {
        filter: brightness(100%);
    }

    40% {
        filter: brightness(150%);
    }

    60% {
        filter: brightness(100%);
    }

    80% {
        filter: brightness(150%);
    }

    100% {
        filter: brightness(100%);
    }
}

@keyframes tntTop {
    to {
        margin-top: -80px;
        width: 120px;
        height: 120px;
        margin-left: -10px;
    }
}

@keyframes tntBottom { 
    to {
        margin-top: 40px;
        width: 120px;
        height: 120px;
        margin-left: -10px;
    }
}

@keyframes tntLeft {
    to {
        margin-left: -70px;
        width: 120px;
        height: 120px;
        margin-top: -20px;
    }
}

@keyframes tntRight {
    to {
        margin-left: 50px;
        width: 120px;
        height: 120px;
        margin-top: -20px;
    }
}

@keyframes tntFront {
    to {
        transform: translateZ(60px); 
        margin-left: -10px;
        width: 120px;
        height: 120px;
        margin-top: -20px;
    }
}

@keyframes tntBack {
    to {
        transform: translateZ(-60px); 
        margin-left: -10px;
        width: 120px;
        height: 120px;
        margin-top: -20px;
    }
}

@keyframes slimeJump {
    0% {
        margin-top: 0px;
    } 

    50% {
        margin-top: -100px;
    }

    100% {
        margin-top: 0px;
    }
}

@keyframes slimeShadow {
    0% {
        margin-top: 25px;
        width: 50px;
        height: 50px;
    } 

    50% {
        margin-top: 132px;
        width: 30px;
        height: 30px;
        margin-left: 10px;
    }

    100% {
        margin-top: 25px;
        width: 50px;
        height: 50px;
    }
}