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<html><head><style>div{width:200px;height:200px;background-color:red;position:relative;transition-property:top;top:0px;transition-duration:2s;transition-timing-function:ease-in;transition-duration:2s; /* */transition-timing-function:ease-in; }div:hover{ top:200px;}</style> </head><body> <div></div></body> </html>