Created
April 27, 2013 08:10
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Circular Tooltip (SO)
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| /** | |
| * Circular Tooltip (SO) | |
| * http://stackoverflow.com/q/13132864/1397351 | |
| */ | |
| * { margin: 0; padding: 0; } | |
| body { | |
| overflow: hidden; | |
| background: url(http://theearlcarlson.com/experiments/amTooltip/img/bg.jpg); | |
| } | |
| /* generic styles for button & circular menu */ | |
| .ctrl { | |
| position: absolute; | |
| top: 50%; left: 50%; | |
| font: 1.5em/1.13 Verdana, sans-serif; | |
| transition: .5s; | |
| } | |
| /* generic link styles */ | |
| a.ctrl, .ctrl a { | |
| display: block; | |
| opacity: .56; | |
| background: #c9c9c9; | |
| color: #7a8092; | |
| text-align: center; | |
| text-decoration: none; | |
| text-shadow: 0 -1px dimgrey; | |
| } | |
| a.ctrl:hover, .ctrl a:hover, a.ctrl:focus, .ctrl a:focus { opacity: 1; } | |
| a.ctrl:focus, .ctrl a:focus { outline: none; } | |
| .button { | |
| z-index: 2; | |
| margin: -.625em; | |
| width: 1.25em; height: 1.25em; | |
| border-radius: 50%; | |
| box-shadow: 0 0 3px 1px white; | |
| } | |
| /* circular menu */ | |
| .tip { | |
| z-index: 1; | |
| /**outline: dotted 1px white;/**/ | |
| margin: -5em; | |
| width: 10em; height: 10em; | |
| transform: scale(.001); | |
| list-style: none; | |
| opacity: 0; | |
| } | |
| /* the ends of the menu */ | |
| .tip:before, .tip:after { | |
| position: absolute; | |
| top: 34.3%; | |
| width: .5em; height: 14%; | |
| opacity: .56; | |
| background: #c9c9c9; | |
| content: ''; | |
| } | |
| .tip:before { | |
| left: 5.4%; | |
| border-radius: .25em 0 0 .25em; | |
| box-shadow: -1px 0 1px dimgrey, inset 1px 0 1px white, inset -1px 0 1px grey, | |
| inset 0 1px 1px white, inset 0 -1px 1px white; | |
| transform: rotate(-75deg); | |
| } | |
| .tip:after { | |
| right: 5.4%; | |
| border-radius: 0 .25em .25em 0; | |
| box-shadow: 1px 0 1px dimgrey, inset -1px 0 1px white, inset 1px 0 1px grey, | |
| inset 0 1px 1px white, inset 0 -1px 1px white; | |
| transform: rotate(75deg); | |
| } | |
| /* make the menu appear on click */ | |
| .button:focus + .tip { | |
| transform: scale(1); | |
| opacity: 1; | |
| } | |
| /* slices of the circular menu */ | |
| .slice { | |
| overflow: hidden; | |
| position: absolute; | |
| /**outline: dotted 1px yellow;/**/ | |
| width: 50%; height: 50%; | |
| transform-origin: 100% 100%; | |
| } | |
| /* | |
| * rotate each slice at the right angle = (A/2)° + (k - (n+1)/2)*A° | |
| * where A is the angle of 1 slice (30° in this case) | |
| * k is the number of the slice (in {1,2,3,4,5} here) | |
| * and n is the number of slices (5 in this case) | |
| * formula works for odd number of slices (n odd) | |
| * for even number of slices (n even) the rotation angle is (k - n/2)*A° | |
| * | |
| * after rotating, skew on Y by 90°-A°; here A° = the angle for 1 slice = 30° | |
| */ | |
| .slice:first-child { transform: rotate(-45deg) skewY(60deg); } | |
| .slice:nth-child(2) { transform: rotate(-15deg) skewY(60deg); } | |
| .slice:nth-child(3) { transform: rotate(15deg) skewY(60deg); } | |
| .slice:nth-child(4) { transform: rotate(45deg) skewY(60deg); } | |
| .slice:last-child { transform: rotate(75deg) skewY(60deg); } | |
| /* covers for the inner part of the links so there's no hover trigger between | |
| star button & menu links; give them a red background to see them */ | |
| .slice:after { | |
| position: absolute; | |
| top: 32%; left: 32%; | |
| width: 136%; height: 136%; | |
| border-radius: 50%; | |
| /* "unskew" = skew by minus the same angle by which parent was skewed */ | |
| transform: skewY(-60deg); | |
| content: ''; | |
| } | |
| /* menu links */ | |
| .slice a { | |
| width: 200%; height: 200%; | |
| border-radius: 50%; | |
| box-shadow: 0 0 3px dimgrey, inset 0 0 4px white; | |
| /* "unskew" & rotate by -A°/2 */ | |
| transform: skewY(-60deg) rotate(-15deg); | |
| background: /* lateral separators */ | |
| linear-gradient(75deg, | |
| transparent 50%, grey 50%, transparent 54%) no-repeat 36.5% 0, | |
| linear-gradient(-75deg, | |
| transparent 50%, grey 50%, transparent 54%) no-repeat 63.5% 0, | |
| /* make sure inner part is transparent */ | |
| radial-gradient(rgba(127,127,127,0) 49%, | |
| rgba(255,255,255,.7) 51%, #c9c9c9 52%); | |
| background-size: 15% 15%, 15% 15%, cover; | |
| line-height: 1.4; | |
| } | |
| /* arrow for middle link */ | |
| .slice:nth-child(3) a:after { | |
| position: absolute; | |
| top: 13%; left: 50%; | |
| margin: -.25em; | |
| width: .5em; height: .5em; | |
| box-shadow: 2px 2px 2px white; | |
| transform: rotate(45deg); | |
| background: linear-gradient(-45deg, #c9c9c9 50%, transparent 50%); | |
| content: ''; | |
| } |
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| <!-- content to be placed inside <body>…</body> --> | |
| <a class='button ctrl' href='#' tabindex='1'>★</a> | |
| <ul class='tip ctrl'> | |
| <li class='slice'><a href='#'>✦</a></li> | |
| <li class='slice'><a href='#'>✿</a></li> | |
| <li class='slice'><a href='#'>✵</a></li> | |
| <li class='slice'><a href='#'>✪</a></li> | |
| <li class='slice'><a href='#'>☀</a></li> | |
| </ul> |
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| {"view":"split-vertical","fontsize":"80","seethrough":"","prefixfree":"1","page":"all"} |
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