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Font color animated exclusively with CSS transitions

I've been playing around with some CSS transitions and trying to figure it out. I would like the text color to change (from left to right) in the INSTEAD format of the background.

Here is the code: (codepen here: http://codepen.io/xkurohatox/pen/zGboMz )

HTML:

     <a href="#" class="added_to_cart wc-forward" title="View Cart">View Cart</a>

CSS

 a.added_to_cart.wc-forward {
 font-size:100px;
color:black;
}  
a.added_to_cart.wc-forward {
display: inline-block;
vertical-align: middle;
-webkit-transform: translateZ(0);
transform: translateZ(0);
box-shadow: 0 0 1px rgba(0, 0, 0, 0);
-webkit-backface-visibility: hidden;
backface-visibility: hidden;
-moz-osx-font-smoothing: grayscale;
position: relative;
-webkit-transition-property: color;
transition-property: color;
-webkit-transition-duration: 0.5s;
transition-duration: 0.5s;
 }
a.added_to_cart.wc-forward:before {
content: "";
position: absolute;
z-index: -1;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: red;
-webkit-transform: scaleX(0);
transform: scaleX(0);
-webkit-transform-origin: 0 50%;
transform-origin: 0 50%;
-webkit-transition-property: transform;
transition-property: transform;
-webkit-transition-duration: 0.5s;
transition-duration: 0.5s;
-webkit-transition-timing-function: ease-out;
transition-timing-function: ease-out;
 }
a.added_to_cart.wc-forward:hover, a.added_to_cart.wc-forward:focus,  a.added_to_cart.wc-forward:active {
 color: white;
 }
 a.added_to_cart.wc-forward:hover:before, a.added_to_cart.wc-forward:focus:before, a.added_to_cart.wc-forward:active:before {
 -webkit-transform: scaleX(1);
 transform: scaleX(1);
 -webkit-transition-timing-function: cubic-bezier(0.52, 1.64, 0.37, 0.66);
 transition-timing-function: cubic-bezier(0.52, 1.64, 0.37, 0.66);
  }

I've already tried the obvious, like changing the background color and playing around with translateZ. I don't think I've ever seen a css font color transition before, so I'd like to LOVE to see if there is someone talented enough here to come up with one.

Got the basic code from here: https://github.com/IanLunn/Hover

Thanks in advance xx :)

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2 answers


This can absolutely be done with a little trickery. Here's a working example that uses a mask to display colored text.

Codepen: http://codepen.io/maxlaumeister/pen/eNXBaW

Live Demo:



a.added_to_cart.wc-forward {
  font-size:100px;
  color:black;
}  
a.added_to_cart.wc-forward {
  display: inline-block;
  vertical-align: middle;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  box-shadow: 0 0 1px rgba(0, 0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  -webkit-transition-property: color;
  transition-property: color;
  -webkit-transition-duration: 0.5s;
  transition-duration: 0.5s;
}
.mask {
  display: inline-block;
  position: absolute;
  top: 0;
  left: 0;
  width: 0px;
  overflow: hidden;
  -webkit-transform-origin: 0 50%;
  transform-origin: 0 50%;
  -webkit-transition-property: width;
  transition-property: width;
  -webkit-transition-duration: 0.5s;
  transition-duration: 0.5s;
  -webkit-transition-timing-function: ease-out;
  transition-timing-function: ease-out;
  text-shadow:
   -1px -1px 0 red,  
    1px -1px 0 red,
    -1px 1px 0 red,
     1px 1px 0 red;
}

.mask a.added_to_cart.wc-forward {
  color: red;
}

#container:hover .mask {
  width: 500px;
  -webkit-transition-timing-function: cubic-bezier(0.52, 1.64, 0.37, 0.66);
  transition-timing-function: cubic-bezier(0.52, 1.64, 0.37, 0.66);
}

body {
  margin: 0;
}

a.added_to_cart.wc-forward.under {
  position: absolute;
  left: 0;
  top: 0;
}

#inner {
  width: 500px;
}
      

        
        
        
      

    
<div id="container">
  <a href="#" class="added_to_cart wc-forward under" title="View Cart">View Cart</a>
  <div class="mask">
    <div id="inner">
      <a href="#" class="added_to_cart wc-forward" title="View Cart">View Cart</a>
    </div>
  </div>
</div>
Run codeHide result


+2


source


I removed the background color from a.added_to_cart.wc-forward:before

CSS

a.added_to_cart.wc-forward {
font-size:100px;
  color:black;
}  
a.added_to_cart.wc-forward {
  display: inline-block;
  vertical-align: middle;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  box-shadow: 0 0 1px rgba(0, 0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  -webkit-transition-property: color;
  transition-property: color;
  -webkit-transition-duration: 0.5s;
  transition-duration: 0.5s;
}
a.added_to_cart.wc-forward:before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;

  -webkit-transform: scaleX(0);
  transform: scaleX(0);
  -webkit-transform-origin: 0 50%;
  transform-origin: 0 50%;
  -webkit-transition-property: transform;
  transition-property: transform;
  -webkit-transition-duration: 0.5s;
  transition-duration: 0.5s;
  -webkit-transition-timing-function: ease-out;
  transition-timing-function: ease-out;
}
a.added_to_cart.wc-forward:hover, a.added_to_cart.wc-forward:focus, a.added_to_cart.wc-forward:active {
  color: red;
}
a.added_to_cart.wc-forward:hover:before, a.added_to_cart.wc-forward:focus:before, a.added_to_cart.wc-forward:active:before {
  -webkit-transform: scaleX(1);
  transform: scaleX(1);
  -webkit-transition-timing-function: cubic-bezier(0.52, 1.64, 0.37, 0.66);
  transition-timing-function: cubic-bezier(0.52, 1.64, 0.37, 0.66);
}


Html

<a href="#" class="added_to_cart wc-forward" title="View Cart">View Cart</a>

Demo here

0


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