body {
    background: #CECECE;
    --rotation-x: -40deg;
    --rotation-y: 40deg;
}

section.scene {
    position: absolute;
    margin: auto;
    left: 50%;
    top: 50%;
    transform: translateY(-50%) translateX(-50%);
}

/* buttons */

figure#buttons {
    width: 20px;
    height: 60px;
    --length: 20px;
    --width: 10px;
    --depth: 7px;
    transform: translateY(-30px) translateZ(20px) rotateX(90deg);

}

figure.button {
    transform: translateZ(4px) translateX(5px) translateY(calc(-5px + (10px * var(--btn-num)))) rotateZ(90deg);
}

figure.button > .face, figure.cube > .face:not(.front) {
    background: white;
    outline: black solid 1px;
    outline-offset: -0.5px;
    transition: opacity 1s ease 0s;
}

figure.button.button0 { --btn-num: 0; }
figure.button.button1 { --btn-num: 1; }
figure.button.button2 { --btn-num: 2; }
figure.button.button3 { --btn-num: 3; }
figure.button.button4 { --btn-num: 4; }
figure.button.button5 { --btn-num: 5; }

figure.button > a.face { background: skyblue; }

#object-wires {
    --height: 50px;
    --radius: 18px;
    --strip-count: 24;
    --texture: repeating-linear-gradient(#999, #999 min(78px, calc(10% - 2px)), #bbb min(80px, 10%));
    transform: translateX(35px) translateY(72px) rotateZ(90deg);
}

.dialog { display: none; }

/* states */

#cube-open:target ~ section.scene, #object-found:target ~ section.scene {
    --rotation-x: 0deg !important;
    --rotation-y: 0deg !important;
}

#cube-open:target ~ section.scene .cube > .face.front, #object-found:target ~ section.scene .cube > .face.front {
    transform: translateZ(100px) translateY(50px) rotateX(90deg);
}

#object-found:target ~ .dialog { display: block; }

#object-found:target ~ section.scene #object-wires { display: none; }