*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}.container1{--color:rgba(30,30,30);--bgColor:rgba(245,245,245);min-height:100vh;display:grid;align-content:center;gap:2rem;padding:2rem;font-family:"Poppins",sans-serif;color:var(--color);background:var(--bgColor)}h1{text-align:center}.container1 .timeline_ul{--col-gap:2rem;--row-gap:2rem;--line-w:.25rem;display:grid;grid-template-columns:var(--line-w) 1fr;grid-auto-columns:max-content;column-gap:var(--col-gap);list-style:none;width:min(60rem,90%);margin-inline:auto}.container1 .timeline_ul::before{content:"";grid-column:1;grid-row:1 / span 20;background:#e1e1e1;border-radius:calc(var(--line-w) / 2)}.container1 .timeline_ul li:not(:last-child){margin-bottom:var(--row-gap)}.container1 .timeline_ul li{grid-column:2;--inlineP:1.5rem;margin-inline:var(--inlineP);grid-row:span 2;display:grid;grid-template-rows:min-content min-content min-content}.container1 .timeline_ul li .date{--dateH:3rem;height:var(--dateH);margin-inline:calc(var(--inlineP) * -1);text-align:center;background-color:var(--accent-color);color:white;font-size:1.25rem;font-weight:700;display:grid;place-content:center;position:relative;border-radius:calc(var(--dateH) / 2) 0 0 calc(var(--dateH) / 2)}.container1 .timeline_ul li .date::before{content:"";width:var(--inlineP);aspect-ratio:1;background:var(--accent-color);background-image:linear-gradient(rgba(0,0,0,0.2) 100%,transparent);position:absolute;top:100%;clip-path:polygon(0 0,100% 0,0 100%);right:0}.container1 .timeline_ul li .date::after{content:"";position:absolute;width:2rem;aspect-ratio:1;background:var(--bgColor);border:.3rem solid var(--accent-color);border-radius:50%;top:50%;transform:translate(50%,-50%);right:calc(100%+var(--col-gap)+var(--line-w) / 2)}.container1 .timeline_ul li .date2{--dateH:3rem;height:var(--dateH);text-align:center;background-color:var(--accent-color);color:white;font-size:1.25rem;font-weight:700;display:grid;place-content:center;position:relative;border-radius:calc(var(--dateH) / 2) 0 0 calc(var(--dateH) / 2)}.container1 .timeline_ul li .date2 a:hover{color:#fdd100;filter:drop-shadow(1px 1px 1px #333)}.container1 .timeline_ul li .date2::before{content:"";width:var(--inlineP);aspect-ratio:1;background:var(--accent-color);background-image:linear-gradient(rgba(0,0,0,0.2) 100%,transparent);position:absolute;top:100%;clip-path:polygon(0 0,100% 0,0 100%);right:0}.container1 .timeline_ul li .date2::after{content:"";position:absolute;width:1rem;aspect-ratio:1;background:var(--bgColor);border:.1rem solid var(--accent-color);border-radius:50%;top:50%;transform:translate(50%,-50%);right:calc(100%+var(--col-gap)+var(--line-w) / 2)}.container1 .timeline_ul li .title,.container1 .timeline_ul li .descr{background:var(--bgColor);position:relative;padding-inline:1.5rem}.container1 .timeline_ul li .title{overflow:hidden;padding-block-start:1.5rem;padding-block-end:1rem;font-weight:500}.container1 .timeline_ul li .descr{padding-block-end:1.5rem;font-weight:300}.container1 .timeline_ul li .title::before,.container1 .timeline_ul li .descr::before{content:"";position:absolute;width:90%;height:.5rem;background:rgba(0,0,0,0.5);left:50%;border-radius:50%;filter:blur(4px);transform:translate(-50%,50%)}.container1 .timeline_ul li .title::before{bottom:calc(100%+0.125rem)}.container1 .timeline_ul li .descr::before{z-index:-1;bottom:.25rem}@media(min-width:40rem){.container1 .timeline_ul{grid-template-columns:1fr var(--line-w) 1fr}.container1 .timeline_ul::before{grid-column:2}.container1 .timeline_ul li:nth-child(odd){grid-column:1}.container1 .timeline_ul li:nth-child(even){grid-column:3}.container1 .timeline_ul li:nth-child(2){grid-row:2/4}.container1 .timeline_ul li:nth-child(odd) .date::before{clip-path:polygon(0 0,100% 0,100% 100%);left:0}.container1 .timeline_ul li:nth-child(odd) .date::after{transform:translate(-50%,-50%);left:calc(100%+var(--col-gap)+var(--line-w) / 2)}.container1 .timeline_ul li:nth-child(odd) .date{border-radius:0 calc(var(--dateH) / 2) calc(var(--dateH) / 2) 0}.container1 .timeline_ul li:nth-child(odd) .date2::before{clip-path:polygon(0 0,100% 0,100% 100%);left:0}.container1 .timeline_ul li:nth-child(odd) .date2::after{transform:translate(-50%,-50%);left:calc(100%+var(--col-gap)+var(--line-w) / 2)}}