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This article mainly explains "how CSS imitates remote control buttons". The explanation in this article is simple and clear and easy to learn and understand. Please follow the editor's train of thought to study and learn "how CSS imitates remote control buttons".

Html structure

+ +-- ok

Css style

.button-group {padding-top: 20rpx; width: 300rpx; height: 300rpx; background-color: pink;}. Outter-circle {position: relative; margin-left: 10rpx; width: 280rpx; height: 280rpx; background-color: lightcyan; border-radius: 100%; overflow: hidden; transform-origin: center; transform: rotate (45deg);} .inner-parts {float: left; width: 140rpx; height: 140rpx; line-height: 140rpx; text-align: center Silver {background-color: silver;}. Gold {background-color: gold;}. Blue {background-color: blue;}. Brown {background-color: brown;}. Inner-circle {position: absolute; margin-top: 70rpx; margin-left: 70rpx; width: 140rpx; height: 140rpx; line-height: 140rpx; text-align: center; border-radius: 100%; background-color: lightblue;}. Rotate {display: inline-block; transform: rotate (- 45deg);}

Note: if the text area is not inline-block, the rotation attribute will not take effect!

Button click event

Button: function (e) {var buttonType = e.currentTarget.dataset.type console.log (buttonType) switch (buttonType) {case 'chaAdd': console.log (' backward the channel') break case 'chaDes': console.log (' forward the channel') break case 'volAdd': console.log (' strengthen the volumn') break case 'volDes': Console.log ('weaken the volumn') break default: console.log (' ok')}}

Running effect

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