en.javascript.info/5-animation/2-css-animations/1-animate-logo-css/task.md

importance: 5

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Animate a plane (CSS)

Show the animation like on the picture below (click the plane):

[iframe src="solution" height=300]

• The picture grows on click from 40x24px to 400x240px.
• The animation takes 3 seconds.
• At the end output: "Done!".
• During the animation process, there may be more clicks. They shouldn't "break" anything.