Reverse Animation of onHover - css

Question

I am using CSS Animation for my Homepage.
Since there is no opposite of onHover I
have tried that:
but it does not really work for me.
See that:
fiddlehttps://jsfiddle.net/mus8sdL0/`
Thanks for help

Answer 1

Try this..
HTML
<section class="half">
<div id="containertop">
<div class="titletextup">
UP
<br>
<div id="triangle-facing-top"></div>
</div>
</div>
</section>
<section class="half">
<div class="titletextdown">
<div id="triangle-facing-bottom"></div>
<br>
DOWN
</div>
</section>
CSS
#charset "UTF-8";
* {
margin: 0; padding: 0;
}
html, body, #container {
height: 100%;
font-family: 'corbertregular', arial, sans-serif;
font-size:24px;
color:white;
}
header {
height: 50px;
background: gray;
}
main {
height: calc(100% - 50px);
background: green;
}
.half {
height: 50%;
position: relative;
}
.half:first-child {
border-bottom:10px;
border-left:0px;
border-right:0px;
border-top:0px;
border-bottom-color:white;
border-style:solid;
}
#containertop {
background: blue;
height: 100%;
}
.half:first-child > #containertop{
position:absolute;
z-index:1;
width:100%;
top:0px;
transition: 2s all ease;
}
.half:first-child:hover > #containertop{
top: -100%;
}
.half:last-child {
background: green;
border-top:10px;
border-bottom:0px;
border-left:0px;
border-right:0px;
border-top-color:white;
border-style:solid;
}
.titletextup{
text-align:center;
}
.titletextdown{
text-align:center;
}
#triangle-facing-top {
display: inline-block;
margin: 72px;
border-right: 24px solid; border-bottom: 24px solid;
width: 120px; height: 120px;
transform: rotate(-135deg);
display: inline-block;
-webkit-transform:rotate(-135deg);
-moz-transform:rotate(-135deg);
-o-transform:rotate(-135deg);
color: white;
}
#triangle-facing-bottom {
display: inline-block;
margin: 72px;
border-right: 24px solid; border-bottom: 24px solid;
width: 120px; height: 120px;
transform: rotate(45deg);
display: inline-block;
-webkit-transform:rotate(45deg);
-moz-transform:rotate(45deg);
-o-transform:rotate(45deg);
color:white;
}
Check out this Fiddle
For both bottom and top animation Check out this fiddle