* {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Ubuntu", sans-serif;
    font-size: 100px;
}

#background {
    position: absolute;
    background-color: #515d71;
    overflow: hidden;
}

header {
    height: 10em;
}

header p {
    position: relative;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    text-align: center;
    line-height: 1.7em;
}

em {
    color: #d69c68;
    font-style: normal;
}

main {
    position: relative;
}

#box {
    position: absolute;
    background-color: #d69c68;
    width: 250%;
    height: 150%;
    transform: rotate(45deg);
}

.container {
    display: none;
}

.screenshot {
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    display: none;
}

.frame {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.heading {
    display: none;
}

.screen-01 .heading:nth-of-type(1) {
    display: block;
}

.screen-02 .heading:nth-of-type(2) {
    display: block;
}

.screen-03 .heading:nth-of-type(3) {
    display: block;
}

.screen-04 .heading:nth-of-type(4) {
    display: block;
}

.screen-05 .heading:nth-of-type(5) {
    display: block;
}