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<html><head><style> div { width: 100px; height: 50px; background: red; color: white; font-weight: bold; transition: width 2s; /* Safari */ transition: width 2s;}/* For Safari 3.1 to 6.0 */#div1 {-webkit-transition-timing-function: linear;}#div2 {-webkit-transition-timing-function: ease;}#div3 {-webkit-transition-timing-function: ease-in;}#div4 {-webkit-transition-timing-function: ease-out;}#div5 {-webkit-transition-timing-function: ease-in-out;}/* Standard syntax */#div1 {transition-timing-function: linear;}#div2 {transition-timing-function: ease;}#div3 {transition-timing-function: ease-in;}#div4 {transition-timing-function: ease-out;}#div5 {transition-timing-function: ease-in-out;}div:hover { width: 300px;}</style></head><body><h1>The transition-timing-function Property</h1><p><b>Note:</b> This example does not work in Internet Explorer 9 and earlier versions.</p><div id="div1">linear</div><div id="div2">ease</div><div id="div3">ease-in</div><div id="div4">ease-out</div><div id="div5">ease-in-out</div><p>Hover over the div elements above, to see the different transition effects.</p>