@import url(https://fonts.googleapis.com/css?family=Montserrat);

html, body {
    overflow: hidden;
}

* {
    padding: 0;
    margin: 0;
}

.small {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
}

.icon-with-text {
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    justify-content: center;
    text-decoration: none;
    color: white;
}

.background {
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    overflow: hidden;
    will-change: transform;
    backface-visibility: hidden;
    height: 130vh;
    position: fixed;
    width: 100%;
    transform: translateY(30vh);
    transition: all 1.2s cubic-bezier(0.22, 0.44, 0, 1);
}

.background:before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.3);
}

.background:first-child {
    transform: translateY(-15vh);
}

.background:first-child .content-wrapper {
    transform: translateY(15vh);
}


/* Set stacking context of slides */
.background:nth-child(1) {
    z-index: 6;
}

.background:nth-child(2) {
    z-index: 5;
}

.background:nth-child(3) {
    z-index: 4;
}

.background:nth-child(4) {
    z-index: 3;
}

.background:nth-child(5) {
    z-index: 2;
}

.background:nth-child(6) {
    z-index: 1;
}

.content-wrapper {
    height: 100vh;
    display: flex;
    justify-content: center;
    text-align: center;
    flex-flow: column nowrap;
    color: #fff;
    font-family: Montserrat, sans-serif;
    text-transform: uppercase;
    transform: translateY(40vh);
    will-change: transform;
    backface-visibility: hidden;
    transition: all 1.7s cubic-bezier(0.22, 0.44, 0, 1);
}

.content-title {
    font-size: 12vh;
    line-height: 1.4;
}

@media (max-width: 768px) {
    .content-title {
        font-size: 6vh;
        line-height: 1.4;
    }
    .small {
        font-size: 0.8rem;
    }
}

.background.up-scroll {
    transform: translate3d(0, -15vh, 0);
}

.background.up-scroll .content-wrapper {
    transform: translateY(15vh);
}

.background.up-scroll + .background {
    transform: translate3d(0, 30vh, 0);
}

.background.up-scroll + .background .content-wrapper {
    transform: translateY(30vh);
}

.background.down-scroll {
    transform: translate3d(0, -130vh, 0);
}

.background.down-scroll .content-wrapper {
    transform: translateY(40vh);
}

.background.down-scroll + .background:not(.down-scroll) {
    transform: translate3d(0, -15vh, 0);
}

.background.down-scroll + .background:not(.down-scroll) .content-wrapper {
    transform: translateY(15vh);
}