html - Height to 0 hover effect under Firefox -

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hy have problem under ff. when try use hover on div transform height 0, working strangely. there way make work under chrome? code is:

css : 

#square{     position:fixed;     top:50%;     left:40%;     width:11%;     height:22%;     background-color:blue;     transition:height 0.8s linear;     -webkit-transition:height 0.8s linear;     -moz-transition:height 0.8s linear; }  #square:hover{     height:0%; }

html: 

<div id="square"></div>

you should wrap div, keep hover when #square div no longer under pointer :

css

#mydiv {     position:fixed;     top:50%;     left:40%;     width:11%;     height:22%; } #mydiv:hover>#square {     height:0%; }

html

<div id="mydiv">     <div id="square"></div> </div>

demo jsfiddle


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