.intro .layers .bench {
    width: 18rem;
    top: 21rem;
    left: 10rem;
    z-index: 20;
}

.intro .layers .bike {
    width: 2.9rem;
    top: 14.7rem;
    left: 10rem;
    z-index: 30;
}

.intro .layers .bin {
    width: 4.5rem;
    top: 22.7rem;
    left: 6.6rem;
    z-index: 20;
}

.intro .layers .buildings {
    z-index: 10;
}

.intro .layers .crain {
    width: 8.8rem;
    top: 9.2rem;
    left: 29.4rem;
    z-index: 0;
}

.intro .layers .environment {
    width: 24.3rem;
    top: 1rem;
    left: 28.3rem;
    z-index: 30;
}

.intro .layers .family {
    width: 14.4rem;
    top: 13rem;
    left: 27rem;
    z-index: 40;
}

.intro .layers .houses {
    width: 52rem;
    top: 5.9rem;
    left: -0.4rem;
    z-index: 20;
}

.intro .layers .lamps {
    width: 48.8rem;
    top: 4.92rem;
    left: 0.57rem;
    z-index: 20;
}

.intro .layers .library {
    width: 5.4rem;
    top: 12.84rem;
    left: 41.8rem;
    z-index: 20;
}

.intro .layers .oldman {
    width: 7.5rem;
    top: 17.2rem;
    left: 0.2rem;
    z-index: 40;
}

.intro .layers .slide {
    width: 7rem;
    top: 12.7em;
    left: 2.6rem;
    z-index: 20;
}