.mac #background {
    width: 2880px;
    height: 1800px;
}

.mac #background header {
    height: 6em;
}

.mac #background .heading {
    font-size: 1.4em;
}

.mac #box {
    left: 45%;
    top: 140%;
}

.mac #mac {
    display: block;
}

#mac .screenshot {
    width: 1600px;
    top: 20px;
    border-radius: 25px;
}

.screen-01.mac .heading {
    padding: 5em;
}

.screen-02.mac .heading {
    padding: 3em;
}

.screen-03.mac .heading {
    padding: 5em;
}

.screen-04.mac .heading {
    padding: 6em;
}

.screen-01 #mac :nth-child(1) {
    display: block;
}

.screen-02 #mac :nth-child(2) {
    display: block;
}

.screen-03 #mac :nth-child(3) {
    display: block;
}

.screen-04 #mac :nth-child(4) {
    display: block;
}

.screen-05 #mac :nth-child(5) {
    display: block;
}