:root {
    --tl-marker-size: 40px;
}

.tl-timeline {
    z-index: 0;
    align-items: center;
}

.tl-filters {
    position: sticky;
    z-index: 1000;
    top: 60px;
    display: flex;
    flex-direction: row;
    width: 100%;
    align-items: center;
    justify-content: center;
    margin-top: 2em;
    margin-bottom: 2em;
}

.tl-filter {
    margin-left: 1em;
    margin-right: 1em;
    cursor: pointer;
}

.tl-check {
    display: none;
}

.tl-filter,.tl-event {
    transition-property: height, opacity;
    transition-duration: 0.5s;
    transition-behavior: allow-discrete;
}

.tl-events::before {
    content: "";
    position: absolute;
    top: 0;
    height: 100%;
    width: 1px;
    background: #000000;
}

.tl-events {
    position: relative;
    display: flex;
    margin-block: 0.5em;
    flex-direction: column;
    row-gap: 1em;
}

.tl-event {
    display: flex;
    align-items: baseline;
}

.tl-marker {
    display: flex;
    position: relative;
    width: var(--tl-marker-size);
    height: var(--tl-marker-size);
    border-radius: 50%;
}

.tl-event .tl-marker {
    left: calc(var(--tl-marker-size) * -0.5);
}

.tl-marker-icon {
    width: 70%;
    height: 80%;
    margin: auto;
    display: block;
    background-position: center;
    background-repeat: no-repeat;
}


.tl-event-content time {
    font-weight: bold;
}


.tl-event .tl-event-content .tl-event-content-box {
    border: 1px solid;
    border-radius: 5px;
}

.tl-event .tl-event-content {
    width: 80%;
}

@media (max-width: 850px) {
    .tl-timeline {
        margin-left: calc(var(--tl-marker-size) * 0.5)
    }

    .tl-event-content-box {
        padding-left: 0.5em;
        padding-right: 0.5em;
    }
}

@media (min-width: 850px) {
    .tl-events::before {
        left: 50%;
    }

    .tl-event .tl-marker {
        order: 1;
    }

    .tl-event .tl-event-content {
        width: 50%;
        text-align: right;
        padding-inline: 1em;
    }

    .tl-event:nth-child(odd) {
        .tl-event-content {
            padding-right: 2em;
        }

        .tl-event-content .tl-event-content-box {
            padding-right: 0.5em;
        }
    }

    .tl-event:nth-child(even) {
        flex-direction: row-reverse;

        .tl-event-content {
            text-align: left;
            padding-left: 2em;
        }

        .tl-event-content .tl-event-content-box {
            padding-left: 0.5em;
        }

        .tl-marker {
            left: calc(var(--tl-marker-size) * 0.5);
        }
    }
}