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Folding Button
<article>
<a class="btn-fold-1" href="#">
<span>Donate</span><span>to RIF</span>
</a>
</article>
<article>
<a class="btn-fold-2" href="#">
<span>Don</span><span>ate</span>
</a>
</article>
<article>
<p>A while ago I read <a href="http://danielmall.com/articles/rif-element-collages/">this article</a> by Dan Mall about the design process he went through as he was working on the new website for <a href="http://www.rif.org/">Reading Is Fundamental</a> (if you're fond of design, you should definitely take some time and look into his writings). One thing I couldn't get out of my head was his concept for the CTA button. I'm not sure if anyone else already coded this one, but here are my versions. The first one is an interpretation, while the second one tries to be as close as possible to the original sketch.</p>
</article>
@import url(http://fonts.googleapis.com/css?family=Droid+Serif|Varela+Round);
$timing:0.4s;
$blue:#0079c2;
$yellow:#fae900;
*, *:before, *:after {
margin:0;
padding:0;
box-sizing:border-box;
}
body {
text-align:center;
font-family:'Droid Serif', serif;
background-color:#fafafa;
}
article {
padding:10rem 1rem;
border-bottom:1px solid #ebeaea;
p {
display:block;
max-width:50rem;
margin:0 auto;
color:grey;
text-align:left;
font-size:1.2rem;
line-height:1.7rem;
&::selection {color:black;background-color:$yellow;}
a {
color:$blue;
text-decoration:none;
transition:all .15s;
&:hover {background-color:$yellow;color:black;}
&::selection {color:black;background-color:$yellow;}
}
}
}
//========================================================
// First Btn
//========================================================
.btn-fold-1 {
position:relative;
display:inline-block;
width:28rem;
z-index:1;
font-family:'Varela Round', sans-serif;
text-decoration:none;
font-size:2.5rem;
color:black;
text-transform:uppercase;
letter-spacing:0.1rem;
transform-style:preserve-3d;
perspective:800px;
perspective-origin:50% 200%;
transform:translateX(-25%) translateZ(0);
transition:transform ($timing * 2);
span {
position:relative;
display:block;
width:50%;
float:left;
padding-top:1rem;
padding-bottom:.7rem;
text-align:right;
&:last-child {
z-index:2;
padding-right:1rem;
padding-left:.6rem;
text-align:left;
background-color:$yellow;
}
&:first-child {
z-index:3;
padding-right:.6rem;
padding-left:1rem;
pointer-events:none;
background-color:$yellow;
backface-visibility:visible;
transform-origin:100% 50%;
transform:rotateY(179.9deg);
transition:transform $timing ease-in-out;
&:before {
content:'Donate';
position:absolute;
top:0;
right:0;
bottom:0;
left:0;
padding-top:1rem;
z-index:4;
color:white;
text-align:center;
background-color:$blue;
transform:rotateY(180deg);
transition:color 0s ($timing / 2), background-color 0s ($timing / 2);
transition-timing-function:ease-in-out;
}
}
}
&:hover {transform:translateX(0) translateZ(0);}
&:hover > span:first-child {transform:rotateY(0);}
&:hover > span:first-child:before {
color:transparent;
background-color:transparent;
}
}
//========================================================
// Second Btn
//========================================================
.btn-fold-2 {
position:relative;
display:inline-block;
width:14rem;
z-index:1;
font-family:'Varela Round', sans-serif;
color:white;
text-decoration:none;
font-size:2.5rem;
text-transform:uppercase;
letter-spacing:0.1rem;
background-color:$blue;
transform-style:preserve-3d;
transform:translateX(.5rem);
transition:background-color 0s ($timing / 2) ease-in-out;
span {
position:relative;
width:50%;
float:left;
padding-top:1rem;
padding-bottom:.7rem;
pointer-events:none;
transform-style:preserve-3d;
perspective:400px;
perspective-origin:50% 200%;
&:after {
position:absolute;
top:0;
right:0;
bottom:0;
left:0;
transition:transform $timing, opacity 0s ($timing / 2) ease-in-out;
}
}
span:first-child {
z-index:3;
opacity:1;
text-align:right;
background-color:$blue;
box-shadow:-1rem 0 0 $blue;
transition:opacity 0s;
&:after {
content:'ate';
opacity:1;
padding-top:1rem;
text-align:left;
background-color:$blue;
transform-origin:0 50%;
transform:translateX(100%) rotateY(0);
}
}
span:last-child {
z-index:2;
text-align:left;
color:black;
background-color:$yellow;
&:after {
content:'don';
opacity:0;
padding-top:1rem;
text-align:right;
background-color:$yellow;
box-shadow:-1rem 0 0 $yellow;
transform-origin:100% 50%;
transform:translateX(-100%) rotateY(180deg);
}
}
&:hover {background-color:$yellow;}
&:hover > span:first-child {opacity:0;transition:opacity 0s $timing;}
&:hover > span:first-child:after {opacity:0;transform:translateX(100%) rotateY(-180deg);}
&:hover > span:last-child:after {opacity:1;transform:translateX(-100%) rotateY(0.1deg);}
}
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