Moh*_*mad 1 html css css-selectors
我正在尝试使用纯CSS创建React徽标,但是在这种情况下,nth-child不能设置rotate:
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title></title>
<style media="screen">
body{
background-color: #20232a;
margin: 0px;
padding: 0px;
}
main{
position: absolute;
top: 0px;
left: 0px;
bottom: 0px;
right: 0px;
display: flex;
align-items: center;
justify-content: center;
}
.container{
width: 500px;
height: 500px;
background: #fff;
position: relative;
display: flex;
align-items: center;
justify-content: center;
}
.container .circle{
width: 100px;
height: 100px;
background: #00d8ff;
border-radius: 50%;
}
.container .ellipse{
width: 480px;
height: 150px;
position: absolute;
border: 20px solid #00d8ff;
border-radius: 100%;
}
.container .ellipse:nth-child(1){
transform: rotate(120deg);
background: red;
}
.container .ellipse:nth-child(2){
transform: rotate(-120deg);
background: green;
}
.container .ellipse:nth-child(3){
background: yellow;
}
</style>
</head>
<body>
<main>
<div class="container">
<div class="circle"></div>
<div class="ellipse"></div>
<div class="ellipse"></div>
<div class="ellipse"></div>
</div>
</main>
</body>
</html>Run Code Online (Sandbox Code Playgroud)
我曾经.container .ellipse:nth-child(number)选择椭圆并旋转它们,但显然选择器找不到我的目标?!?!
我这种情况下第三个椭圆没有旋转,但是对于椭圆一和二必须设置120或-120度才能设置徽标样式...
谢谢
问题在于,第n个孩子与所有其他兄弟姐妹有关。因此,索引偏离了1。您需要2、3和4,而不是1、2和3!
对此的参考是:https : //developer.mozilla.org/en-US/docs/Web/CSS/ : nth-child
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