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August 29, 2015 14:05
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CSS for a sonar-like pinger
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| /* Create as many divs as you would like in your pinger */ | |
| /*Give each of them this class*/ | |
| .propagating-circle { | |
| position: absolute; | |
| top: 200px; | |
| left: 200px; | |
| border-radius: 50%; | |
| border: 1px solid black; | |
| } | |
| /*delay classes. One for each div*/ | |
| .delay-p5s { | |
| -webkit-animation-delay: 0.5s; | |
| } | |
| .delay-1s { | |
| -webkit-animation-delay: 1s; | |
| } | |
| .delay-1p5s { | |
| -webkit-animation-delay: 1.5s; | |
| } | |
| .delay-2s { | |
| -webkit-animation-delay: 2s; | |
| } | |
| /*Give this class to each pinger circle as well*/ | |
| .ping { | |
| animation-name: ping; | |
| -webkit-animation-name: ping; | |
| animation-duration: 2s; | |
| -webkit-animation-duration: 2s; | |
| animation-iteration-count: infinite; | |
| -webkit-animation-iteration-count: infinite; | |
| animation-timing-function: linear; | |
| -webkit-animation-timing-function: linear; | |
| visibility: visible; | |
| } | |
| /*expand the circle from zero to 100px*/ | |
| @-webkit-keyframes ping { | |
| 0% { | |
| height: 0; | |
| width: 0; | |
| bottom: 0; | |
| } | |
| 100% { | |
| height: 100px; | |
| width: 100px; | |
| top: 150px; | |
| left: 150px; | |
| } | |
| } | |
| @keyframes pinger { | |
| 0% { | |
| height: 0; | |
| width: 0; | |
| bottom: 0; | |
| } | |
| 100% { | |
| height: 100px; | |
| width: 100px; | |
| top: 150px; | |
| left: 150px; | |
| } | |
| } |
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