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Through interesting and vivid pictures, learn how to draw a heart using pure CSS! !
Through interesting and vivid pictures, learn how to draw a heart using pure CSS! !
This article will introduce to you how to draw a heart using pure CSS. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.
Requirements/Function:
- How to use CSS HTMl to draw a love.
Analysis:
- A heart can be formed by combining a square and two circles. (Learning video sharing: css video tutorial)
1. First draw a square circle and place it as follows:
2. Add a circle.
3. Finally, rotate the entire shape 45 degrees clockwise.
Initial implementation:
1. First draw a square:
<body>
<div id="heart"></div>
</body>#heart{
height: 300px;
width: 300px;
border: 2px solid black;
}2. Add a circle to the left side of the square. Use the pseudo class: before here. Implementation
#heart{
height: 200px;
width: 200px;
border: 2px solid black;
position: relative;
}
#heart:before{
content: '';
width: 200px;
height: 200px;
border: 2px solid black;
border-radius: 50%; // 正方形加圆角变成圆
position: absolute;
left: -100px; // 向左位移正方形一半的长度
}At this time, the graphic looks like this:
3. Add another circle, which is implemented here using the after pseudo-class.
#heart{
height: 200px;
width: 200px;
border: 2px solid black;
position: relative;
}
// 这里偷个懒.直接写一块了
#heart:before,#heart:after{
content: '';
width: 200px;
height: 200px;
border: 2px solid black;
border-radius: 50%;
position: absolute;
left: -100px;
}
// 第二个圆, 只需要向上位移正方形一半的高度
#heart:after{
left: 0;
top: -100px;
}
4. The last step, rotate it, and then add a color. Remove the border added before to see clearly.
/*给heart进行旋转并加上颜色*/ transform: rotate(45deg); background-color: red;
Complete Code:
<body>
<div id="heart"></div>
</body>Summary:
A heart can be composed of a square and two circles. The before and after pseudo-classes are used here. Then, the two pseudo-classes are displaced respectively. Finally, the extrusion By adding color, you can realize a love.
For more programming related knowledge, please visit: Programming Video! !
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