.timeline {
    position: relative;
}
.timeline-container {
    margin-bottom: 20px;
}
.timeline-entry {
    position: relative;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: start;
    align-items: flex-start;
}
.timeline-marker {
    background-color: #c32a29;
    min-height: 3rem;
    min-width: 3rem;
    line-height: 3rem;
    border-radius: 50%;
    color: #fff;
    text-align: center;
}
.timeline-content {
    margin-left: 14px;
    -webkit-filter: drop-shadow(0px 1px 2px rgba(0,0,0,0.5));
    filter: drop-shadow(0px 1px 2px rgba(0,0,0,0.5));
    -ms-flex: 1 1 auto;
    flex: 1 1 auto;
}
.timeline-event-inner {
    position: relative;
    padding: 15px;
    background-color: #c32a29;
    color: #fff;
}
.timeline-arrow {
    position: absolute;
    top: 0;
    width: 10px;
    left: -10px;
    height: 3rem;
}
.timeline-arrow:after {
    content: "";
    position: absolute;
    display: inline;
    width: 0;
    height: 0;
    border-top: 12px solid transparent;
    border-right: 13px solid #c32a29;
    border-bottom: 12px solid transparent;
    top: 50%;
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
}
.line {
    position: absolute;
    width: 3px;
    top: 0;
    right: auto;
    left: calc( 3rem / 2 );
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    background-color: #000;
    z-index: -1;
    overflow: hidden;
}
.line-inner {
    background-color: #c32a29;
    width: 100%;
}

@media screen and (min-width: 576px) {
    .timeline-marker {
        min-height: 3rem;
        min-width: 3rem;
        line-height: 3rem;
    }
    .line {
        left: calc( 3rem / 2 );
    }
}

@media screen and (min-width: 1200px) {
    .timeline-inner-content {
        display: -ms-flexbox;
        display: flex;
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    }
    .timeline-entry-title {
        -ms-flex: 0 0 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }
    .timeline-text {
        -ms-flex: 0 0 66.6666667%;
        flex: 0 0 66.6666667%;
        max-width: 66.6666667%;
        padding-right: 15px;
    }
    .timeline-text.full-width {
        -ms-flex: 0 0 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }
    .timeline-gallery {
        -ms-flex: 0 0 33.3333333%;
        flex: 0 0 33.3333333%;
        max-width: 33.3333333%;
        padding-left: 15px;
    }
}