.timeline {
    --timeline-bgcolor: #ddd;
    white-space: nowrap;
    overflow-x: hidden
}

.timeline ol {
    font-size: 0;
    width: 100vw;
    padding: 150px 0;
    transition: all 1s
}

.timeline ol li {
    position: relative;
    display: inline-block;
    list-style-type: none;
    width: 160px;
    height: 3px;
    background: var(--timeline-bgcolor)
}

.timeline ol li:first-child {
    width: 30px
}

.timeline ol li:last-child {
    width: 280px
}

.timeline ol li:not(:first-child) {
    margin-left: 14px
}

.timeline ol li:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    left: calc(100% + 1px);
    bottom: 0;
    width: 12px;
    height: 12px;
    transform: translateY(-50%);
    border-radius: 50%;
    background: #f45b69
}

.timeline ol li:nth-child(odd) div {
    top: -16px;
    transform: translateY(-100%);
    border-top-left-radius: 5px
}

.timeline ol li:nth-child(odd) div::before {
    top: 100%;
    border-width: 8px 8px 0 0;
    border-color: var(--timeline-bgcolor) transparent transparent transparent
}

.timeline ol li:nth-child(even) div {
    top: calc(100% + 16px);
    border-bottom-left-radius: 5px
}

.timeline ol li:nth-child(even) div::before {
    top: -8px;
    border-width: 8px 0 0 8px;
    border-color: transparent transparent transparent var(--timeline-bgcolor)
}

.timeline ol li div {
    position: absolute;
    left: calc(100% + 7px);
    width: 280px;
    padding: 15px;
    font-size: 1.1rem;
    white-space: normal;
    color: #676a6c;
    background: var(--timeline-bgcolor);
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px
}

.timeline ol li div::before {
    content: "";
    position: absolute;
    top: 100%;
    left: 0;
    width: 0;
    height: 0;
    border-style: solid
}

.timeline time {
    display: block;
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 8px
}

.timeline .arrows {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    position: relative
}

.timeline .arrows--title {
    position: absolute;
    right: 0;
    top: 7px;
    font-size: 22px;
    text-decoration: underline
}

.timeline .arrows button {
    background: none;
    border: 0
}

.timeline .arrows .arrow__prev {
    margin-right: 20px
}

.timeline .disabled {
    opacity: .5
}

.timeline .arrows img {
    width: 45px;
    height: 45px
}

@media screen and (max-width: 599px) {
    .timeline ol, .timeline ol li {
        width: auto
    }

    .timeline ol {
        padding: 0;
        transform: none !important
    }

    .timeline ol li {
        display: block;
        height: auto;
        background: transparent
    }

    .timeline ol li:first-child {
        margin-top: 25px
    }

    .timeline ol li:not(:first-child) {
        margin-left: auto
    }

    .timeline ol li div {
        width: 94%;
        height: auto !important;
        margin: 0 auto 25px
    }

    .timeline ol li div {
        position: static
    }

    .timeline ol li:nth-child(odd) div {
        transform: none
    }

    .timeline ol li:nth-child(odd) div::before, .timeline ol li:nth-child(even) div::before {
        left: 50%;
        top: 100%;
        transform: translateX(-50%);
        border: none;
        border-left: 1px solid #fff;
        height: 25px
    }

    .timeline ol li:last-child, .timeline ol li:nth-last-child(2) div::before, .timeline ol li:not(:last-child)::after, .timeline .arrows {
        display: none
    }
}