animation-trigger-fill-mode-both-ref.html (742B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <link rel="help" href="https://drafts.csswg.org/web-animations-2/#animation-trigger"> 5 </head> 6 <body> 7 <style> 8 .scroller { 9 overflow-y: scroll; 10 border: solid 1px; 11 place-self: center; 12 height: 300px; 13 width: 200px; 14 position: relative; 15 } 16 .target { 17 height: 100px; 18 width: 100%; 19 background-color: blue; 20 position: absolute; 21 left: -50px; 22 } 23 .space { 24 height: 250px; 25 width: 50%; 26 } 27 </style> 28 <div id="scroller" class="scroller"> 29 <div class="space"></div> 30 <div id="target" class="target"></div> 31 <div class="space"></div> 32 </div> 33 </body> 34 </html>