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

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #ffffff;
}

h1 {
    text-align: center;
}

.timeline {
    position: relative;
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 15px 0;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background: #000000;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.container {
    padding: 15px;
    position: relative;
    background: inherit;
    width: 50%;
    min-height: 75px;
}

.timeline > .container:nth-child(odd) {
    left: 0;
}

.timeline > .container:nth-child(even) {
    left: 50%;
}

.container::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: calc(50% - 8px);
    right: -8px;
    background: #ffffff;
    border: 2px solid #000000;
    border-radius: 16px;
    z-index: 1;
}

.timeline > .container:nth-child(even)::after {
    left: -8px;
}

.container::before {
    content: '';
    position: absolute;
    width: 50px;
    height: 2px;
    top: calc(50% - 1px);
    right: 8px;
    background: #000000;
    z-index: 1;
}

.timeline > .container:nth-child(even)::before {
    left: 8px;
}

.container .date {
    position: absolute;
    display: inline-block;
    top: calc(50% - 8px);
    text-align: center;
    font-size: 14px;
    font-weight: bold;
    color: #000000;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 1;
}

.timeline > .container:nth-child(odd) .date {
    right: -115px;
}

.timeline > .container:nth-child(even) .date {
    left: -120px;
}

.container .icon {
    position: absolute;
    display: inline-block;
    width: 40px;
    height: 40px;
    padding: 9px 0;
    top: calc(50% - 20px);
    background: #ffffff;
    border: 2px solid #000000;
    border-radius: 40px;
    text-align: center;
    font-size: 18px;
    color: #000000;
    z-index: 1;
}

.timeline > .container:nth-child(odd) .icon {
    right: 56px;
}

.timeline > .container:nth-child(even) .icon {
    left: 56px;
}

.container .content {
    padding: 30px 90px 30px 30px;
    background: #b7cdf278;
    position: relative;
    border-radius: 15px;
}

.timeline > .container:nth-child(even) .content {
    padding: 30px 30px 30px 90px;
}

.container .content h2 {
    margin: 0 0 10px 0;
    font-size: 18px;
    font-weight: bold;
    color: #000000;
}

.container .content p {
    margin: 0 0 10px 0;
    font-size: 16px;
    line-height: 22px;
    color: #000000;
}

.container .content a {
    font-size: 30px;
    margin-right: 10px;
    color: #000000;
}

.container .content.small h2 {
    margin-bottom: 0;
}

.container .content iframe {
    width: 100%;
    min-height: 350px;
    border: 0;
    border-radius: 15px;
}

footer {
    text-align: center;
    margin-top: 50px;
}

@media (max-width: 767.98px) {
    .timeline::after {
        left: 90px;
    }

    .container {
        width: 100%;
        padding-left: 120px;
        padding-right: 15px;
        min-height: 125px;
    }

    .timeline > .container:nth-child(even) {
        left: 0;
    }

    .timeline > .container:nth-child(odd)::after,
    .timeline > .container:nth-child(even)::after {
        left: 82px;
    }

    .timeline > .container:nth-child(odd)::before,
    .timeline > .container:nth-child(even)::before  {
        left: 35px;
        border-color: transparent #000000 transparent transparent;
    }

    .timeline > .container:nth-child(odd) .date,
    .timeline > .container:nth-child(even) .date {
        right: auto;
        left: 65px;
        writing-mode: vertical-rl;
        white-space: nowrap;
        padding-top: 20px;
    }

    .timeline > .container:nth-child(odd) .icon,
    .timeline > .container:nth-child(even) .icon {
        right: auto;
        left: 10px;
    }

    .timeline > .container:nth-child(odd) .content,
    .timeline > .container:nth-child(even) .content {
        padding: 15px;
    }

    .container .content.small {
        margin-top: 20px;
    }
}