Created
May 17, 2013 01:15
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HTML5 / CSS3 Circle with Partial Border
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| /** | |
| * HTML5 / CSS3 Circle with Partial Border | |
| * http://stackoverflow.com/q/13059190/1397351 | |
| */ | |
| html { | |
| display: table; | |
| width: 100%; | |
| height: 100%; | |
| background: #222 url(http://cdn1.sbnation.com/entry_photo_images/8217543/20130310-625A3566VERGE_large_verge_medium_landscape.jpg) center; | |
| background-size: cover; | |
| overflow: hidden; | |
| } | |
| body { | |
| display: table-cell; | |
| vertical-align: middle; | |
| } | |
| .circle { | |
| position: relative; | |
| margin: 3em auto; | |
| width: 15em; height: 15em; | |
| border-radius: 50%; | |
| background: hsla(200,100%,50%,.125); | |
| box-shadow: 0 0 .5em #0af inset, | |
| 0 0 .5em #0af, | |
| 0 0 .125em 3em rgba(0,0,0,.25); | |
| } | |
| .arc { | |
| overflow: hidden; | |
| position: absolute; | |
| top: -3em; right: 50%; bottom: 50%; left: -3em; | |
| transform-origin: 100% 100%; | |
| animation-fill-mode: both; | |
| z-index: -1; | |
| } | |
| .arc::before { | |
| content: ''; | |
| display: block; | |
| box-sizing: border-box; | |
| border: solid 3em hsla(200,100%,60%,.75); | |
| width: 200%; height: 200%; | |
| border-radius: 50%; | |
| transform: skewX(-90deg); | |
| } | |
| .circle:hover > .arc::before { | |
| transform: skewX(0deg); | |
| } | |
| .circle:hover > .arc:nth-child(1), | |
| .circle:hover > .arc:nth-child(1)::before { | |
| transition: transform 1s linear 0s; | |
| } | |
| .circle:hover > .arc:nth-child(2), | |
| .circle:hover > .arc:nth-child(2)::before { | |
| transition: transform 1s linear 1s; | |
| } | |
| .circle:hover > .arc:nth-child(3), | |
| .circle:hover > .arc:nth-child(3)::before { | |
| transition: transform 1s linear 2s; | |
| } | |
| .circle:hover > .arc:nth-child(4), | |
| .circle:hover > .arc:nth-child(4)::before { | |
| transition: transform 1s linear 3s; | |
| } | |
| .arc:nth-child(1) { | |
| transform: rotate(90deg) skewX(90deg); | |
| } | |
| .circle:hover > .arc:nth-child(1) { | |
| transform: rotate(90deg) skewX(0deg); | |
| } | |
| .arc:nth-child(2) { | |
| transform: rotate(180deg) skewX(90deg); | |
| } | |
| .circle:hover > .arc:nth-child(2) { | |
| transform: rotate(180deg) skewX(0deg); | |
| } | |
| .arc:nth-child(3) { | |
| transform: rotate(270deg) skewX(90deg); | |
| } | |
| .circle:hover > .arc:nth-child(3) { | |
| transform: rotate(270deg) skewX(0deg); | |
| } | |
| .arc:nth-child(4) { | |
| transform: rotate(360deg) skewX(90deg); | |
| } | |
| .circle:hover > .arc:nth-child(4) { | |
| transform: rotate(360deg) skewX(0deg); | |
| } |
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| <!-- content to be placed inside <body>…</body> --> | |
| <div class='circle'> | |
| <div class='arc'></div> | |
| <div class='arc'></div> | |
| <div class='arc'></div> | |
| <div class='arc'></div> | |
| </div> |
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| {"view":"split-vertical","fontsize":"80","seethrough":"","prefixfree":"1","page":"all"} |
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