.ionstep {
  display:inline-block;
  position:relative;
  margin-left:2px;
  margin-right:2px;
}
.ionstep i {
  -webkit-transition: opacity .3s;
  -moz-transition: opacity .3s;
  -ms-transition: opacity .3s;
  -o-transition: opacity .3s;
  transition: opacity .3s;
}
.ionstep:hover i{ opacity:.3;}

.size-12 {font-size: 12px;}
.size-14 {font-size: 14px;}
.size-16 {font-size: 16px;}
.size-18 {font-size: 18px;}
.size-21 {font-size: 21px;}
.size-24 {font-size: 24px;}
.size-32 {font-size: 32px;}
.size-48 {font-size: 48px;}
.size-64 {font-size: 64px;}
.size-96 {font-size: 96px;}

.img16 {height:16px;}
.img20 {height:20px;}
.img24 {height:24px;}
.img1616 {height:16px;width:16px;}
.img2020 {height:20px;width:20px;}
.img2424 {height:24px;width:24px;}