Template:Flow-timeline/style.css

            div.timeline-framework {
                display: grid;
                grid-template-columns: 1fr 1fr;
                grid-auto-rows: max-content;
                gap: 5px;
                position: relative;
            }

            div.timeline-trunk {
                content: '';
                position: absolute;
                top: 0;
                bottom:0;
                left: 50%;
                width: 5px;
              	transform: translateX(-50%);
                background-color: black;
            }

            div.timeline-branch {
                position: relative;
                display: flex;
                justify-content: center;
                justify-items: end;
                align-items: center;
            }

            div.timeline-line {
                position: relative;
                background-color: black;
                height: 2px;
              	min-width:100px;
            }

            div.timeline-text {
                position: relative;
                background-color: white;
                border: 2px solid black;
                border-radius: 5px;
                max-width: 500px;
                padding: 5%;
            }

            span.timeline-id {
                position: relative;
                margin-left: 10%;
                margin-top: 2px;
                font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
            }

            div.timeline-emptycell {
                height: 3em;
            }

            @media only screen and (min-width:768px) {
                div.mobile-emptycell {
                    display: none;
                }

                div.branch:nth-child(4n+2) {
                    flex-direction: row-reverse;
                    justify-content: end;
                }

                div.branch:nth-child(4n) {
                    top: 3em;
                }
            }
			@media only screen and (max-width: 768px) {
                div.timeline-framework {
                    display: flex;
                    flex-wrap: wrap;
                }

                div.timeline-line {
                    min-width: 50px;
                }

                div.timeline-branch {
                    flex-direction: row !important;
                }

                div.timeline-trunk {
                    left: 0%;
                }
			}