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Change Theme, Dark/Light
<!DOCTYPE html> <html> <head> <style> #myDIV { background-color:lightblue; height: 50px; inline-size: 100px; overflow: hidden; animation: mymove 5s infinite; } @keyframes mymove { 50% {inline-size: 250px;} } </style> </head> <body> <h1>Animation of inline-size</h1> <p>Gradually change the inline-size property from 100px to 250px, and back to 100px:<p> <div id="myDIV"> This is my DIV element. </div> </body> </html>