CSS一個搖擺的大紅燈籠

阿新 • • 發佈：2021-02-18

技術標籤：css css3 html

一個搖擺的燈籠
在這裡插入圖片描述

知識點總結：

box-shadow: 是給元素塊新增周邊陰影效果
@keyframes 自定義動畫
通過這個例子，讓燈籠上部的線，下邊的三部分組成的穗待在一個合理的位置是一個挑戰，通過改變bottom屬性來完成。

HTML部分

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" 
 content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="denglong.css">
    <title>Document</title>
</head>
<body>
    <div class="box" 
>
        <div class="light">
            <div class="line"></div>
            <div class="light-a">
                <div class="light-b"></div>
                <div class="light-c">
                    新
                </ 
div>
                <div class="ear-a">
                </div>
                <div class="ear-b">
                </div>
                <div class="ear-c">
                </div>
            </div>
        </div>
    </div>
</body>
</html>

CSS部分

*{
    margin: 0;
    padding:0;
}
.box{
    position: fixed;
    top:100px;
    left: 100px;
}
.box .light{
    animation: d-light 2s linear infinite;
}
.box .light .line{
    position: absolute;
    width: 2px;
    height: 20px;
    left:50%;
    top:-30px;
    transform:translateX(-50%);
    background-color: red;

}
.box .light .light-a{
    width: 150px;
    height: 120px;
    background-color: red;
    border-radius: 50%;
    box-shadow: 5px 5px 70px 5px red;
}
.box .light .light-a::before
{
    content:"";
    position: absolute;
    left: 50%;
    top:-10px;
    transform:translateX(-50%);
    width: 80px;
    height: 20px;
    border-radius: 50% 50% 0 0;
    z-index:3;
    background: linear-gradient(to right, #dc8f03,#ffa500,#dc8f03,#ffa500,#dc8f03);

}
.box .light .light-a::after
{
    content:"";
    position: absolute;
    left: 50%;
    bottom:-10px;
    transform:translateX(-50%);
    width: 80px;
    height: 20px;
    border-radius: 0 0 50% 50%; 
    z-index:3;
    background: linear-gradient(to right, #dc8f03,#ffa500,#dc8f03,#ffa500,#dc8f03);
}
.box .light .light-b{
    position: absolute;
    left: 50%;
    top:3px;
    transform:translateX(-50%);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border:2px solid #da9619;
}
.box .light .light-c{
    position: absolute;
    left: 50%;
    top:3px;
    transform:translateX(-50%);
    width: 50px;
    height: 120px;
    border-radius: 50%;
    border:2px solid #daab11;
    text-align: center;
    line-height: 120px;
    font-size: 50px;
    font-family:'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    color: #ffa500;
}
.box .light .ear-a{
    position: absolute;
    bottom:-30px;
    left: 50%;
    transform:translateX(-50%);
    width: 5px;
    height: 20px;
    background-color:#ffa500;
    animation: d-ear 3s linear infinite;
} 
.box .light .ear-b{
    position: absolute;
    bottom:-35px;
    left: 52%;
    transform:translateX(-50%);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgb(206, 22, 22);
    z-index:2;
} 
.box .light .ear-c{
    position: absolute;
    bottom:-73px;
    left: 52%;
    transform:translateX(-50%);
    width: 10px;
    height: 40px;
    background-color: #ffa500;

} 
@keyframes d-light
{
    0%{
        transform:rotate(-10deg);
    }
    50%{
        transform:rotate(10deg);
    }
    100%{
        transform:rotate(-10deg);
    }
}
@keyframes d-ear
{
    0%{
        transform:rotate(10deg);
    }
    50%{
        transform:rotate(-10deg);
    }
    100%{
        transform:rotate(10deg);
    }
}