*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}



/* INTRO SECTION
–––––––––––––––––––––––––––––––––––––––––––––––––– */

.intro {
    background: #F45B69;
    padding: 100px 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

h1 {
    font-size: 2.5rem;
}


/* TIMELINE
–––––––––––––––––––––––––––––––––––––––––––––––––– */

.timeline ul {
    background: #456990;
    padding: 50px 0;
}

.timeline ul li {
    list-style-type: none;
    position: relative;
    width: 6px;
    margin: 0 auto;
    padding-top: 50px;
    background: #fff;
}
/*
.timeline ul li.change::after {
    content: attr(data-content);
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: inherit;

}*/

.timeline ul li div {
    position: relative;
    bottom: 0;
    width: 400px;
    padding: 15px;
    background: #F45B69;
}

.timeline ul li div::before {
    content: '';
    position: absolute;
    bottom: 7px;
    width: 0;
    height: 0;
    border-style: solid;
}

.timeline ul li:nth-child(odd) div {
    left: 45px;
}

.timeline ul li:nth-child(odd) div::before {
    left: -15px;
    border-width: 8px 16px 8px 0;
    border-color: transparent #F45B69 transparent transparent;
}

.timeline ul li:nth-child(even) div {
    left: -439px;
}

.timeline ul li:nth-child(even) div::before {
    right: -15px;
    border-width: 8px 0 8px 16px;
    border-color: transparent transparent transparent #F45B69;
}

time {
    display: block;
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 8px;
}


/* EFFECTS
–––––––––––––––––––––––––––––––––––––––––––––––––– */

.timeline ul li::after {
    transition: background .5s ease-in-out;
}

.timeline ul li.in-view::after {
    background: #F45B69;
}

.timeline ul li div {
    visibility: hidden;
    opacity: 0;
    transition: all .5s ease-in-out;
}

.timeline ul li:nth-child(odd) div {
    transform: translate3d(200px, 0, 0);
}

.timeline ul li:nth-child(even) div {
    transform: translate3d(-200px, 0, 0);
}

.timeline ul li.in-view div {
    transform: none;
    visibility: visible;
    opacity: 1;
}


/* GENERAL MEDIA QUERIES
–––––––––––––––––––––––––––––––––––––––––––––––––– */

@media screen and (max-width: 900px) {
    .timeline ul li div {
        width: 250px;
    }
    .timeline ul li:nth-child(even) div {
        left: -289px;
        /*250+45-6*/
    }
}

@media screen and (max-width: 600px) {
    .timeline ul li {
        margin-left: 20px;
    }
    .timeline ul li div {
        width: calc(100vw - 91px);
    }
    .timeline ul li:nth-child(even) div {
        left: 45px;
    }
    .timeline ul li:nth-child(even) div::before {
        left: -15px;
        border-width: 8px 16px 8px 0;
        border-color: transparent #F45B69 transparent transparent;
    }
}