CSS spinners

_css-spinners.md

CSS spinners

• Leanest spinner
• Circle spinner
• Bidimensional spinner

bidimensional-spinner.css

$size: 0.5em;
$color: #c22;
 
.loading{
  box-sizing: border-box;
  position: relative;
  display: inline-block;
  padding: $size;
  vertical-align: middle;
  text-align: center;
  background-color: transparent;
  border: 5px solid transparent;
  border-top-color: $color;
  border-bottom-color: $color;
  border-radius: 50%;
}
 
.outer{
  animation: spin 1s infinite;
}
 
.inner{
  animation: spin 1s infinite;
}
 
@keyframes spin{
  0%: {
    transform: rotateZ(0deg);
  }
  100%: {
    transform: rotateZ(360deg);
  }
}

bidimensional-spinner.html

<div class="loading outer">
  <div class="loading inner"></div>
</div>

circle-spinner.css

.loading {
	border-bottom: 6px solid rgba(0, 0, 0, .1);
	border-left: 6px solid rgba(0, 0, 0, .1);
	border-right: 6px solid rgba(0, 0, 0, .1);
	border-top: 6px solid rgba(0, 0, 0, .4);
	border-radius: 100%;
	height: 50px;
	width: 50px;
	animation: rot .6s infinite linear;
}
@keyframes rot {
	from {transform: rotate(0deg);}
	to {transform: rotate(359deg);}
}

circle-spinner.html

<div class="loading"></div>

leanest-spinner.css

@keyframes spin {
	to { transform: rotate(1turn); }
}
 
.progress {
	position: relative;
	display: inline-block;
	width: 5em;
	height: 5em;
	margin: 0 .5em;
	font-size: 12px;
	text-indent: 999em;
	overflow: hidden;
	animation: spin 1s infinite steps(8);
}
 
.small.progress {
	font-size: 6px;
}
 
.large.progress {
	font-size: 24px;
}
 
.progress:before,
.progress:after,
.progress > div:before,
.progress > div:after {
	content: '';
	position: absolute;
	top: 0;
	left: 2.45em; /* (container width - part width)/2  */
	width: .1em;
	height: 1.5em;
	border-radius: .2em;
	background: #eee;
	box-shadow: 0 3.5em #eee; /* container height - part height */
	transform-origin: 50% 2.5em; /* container height / 2 */
}
 
.progress:before {
	background: #555;
}
 
.progress:after {
	transform: rotate(-45deg);
	background: #777;
}
 
.progress > div:before {
	transform: rotate(-90deg);
	background: #999;
}
 
.progress > div:after {
	transform: rotate(-135deg);
	background: #bbb;
}

leanest-spinner.html

<div class="small progress"><div>Loading…</div></div>
<div class="progress"><div>Loading…</div></div>
<div class="large progress"><div>Loading…</div></div>