

每日前端实战系列的全部源代码请从 github 下载:
https://github.com/comehope/front-end-daily-challenges
定义 dom,容器中包含 3 个子元素:
<p class="parrot"> <p class="outer"></p> <p class="middle"></p> <p class="inner"></p> </p>
居中显示:
body {
margin: 0;
height: 100vh;
display: flex;
align-items: center;
justify-content: center;
background-color: darkslategray;
}定义容器尺寸:
.parrot {
width: 10em;
height: 10em;
font-size: 30px;
}画出鹦鹉头部的羽毛:
.parrot {
position: relative;
display: flex;
align-items: center;
justify-content: center;
}
.parrot .outer {
position: absolute;
width: 100%;
height: 100%;
border: 1em solid;
border-color: transparent transparent orangered tomato;
border-radius: 50%;
}画出鹦鹉的头部和喙的上半部分:
.parrot .middle {
position: absolute;
width: 80%;
height: 80%;
border: 4em solid;
border-color: gold transparent gainsboro white;
border-radius: 50%;
}画出鹦鹉的喙的下半部分:
.parrot .inner {
position: absolute;
width: 40%;
height: 40%;
border: 2em solid;
border-color: transparent orange transparent transparent;
border-radius: 50%;
}用伪元素画出鹦鹉的眼睛:
.parrot .inner::before {
content: '';
position: absolute;
width: 1em;
height: 1em;
background-color: black;
border-radius: 50%;
left: -2em;
top: -0.5em;
}把画面转正:
.parrot > * {
transform: rotate(45deg);
}设置鼠标悬停效果,悬停时鹦鹉的头转向另一侧:
.parrot > * {
transition: 0.5s;
}
.parrot:hover .outer {
transform: rotate(225deg);
border-color: transparent transparent tomato orangered;
}
.parrot:hover .middle {
transform: rotate(calc(225deg - 360deg));
border-color: transparent gold white gainsboro;
}
.parrot:hover .inner {
transform: rotate(135deg);
}最后,修改悬停时鹦鹉的配色:
.parrot:hover .outer {
border-color: transparent transparent lightseagreen darkcyan;
}
.parrot:hover .middle {
border-color: transparent gold white gainsboro;
}
.parrot:hover .inner {
border-color: transparent orange transparent transparent;
}大功告成!
