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CSS图形每日一练(持续更新)

2019-04-01  本文已影响2人  JaniceZD

前言

本文将持续更新CSS图形练习,同步上传 GitHub

1. 正方形(Square)

#square {
  width: 100px;
  height: 100px;
  background: red;
}
Square.png

2. 矩形(Rectangle)

#rectangle {
  width: 200px;
  height: 100px;
  background: red;
}
Rectangle.png

3. 圆形(Circle)

#circle {
  width: 100px;
  height: 100px;
  background: red;
  border-radius: 50%;
}
Circle.png

4. 椭圆形(Oval)

#oval {
  width: 200px;
  height: 100px;
  background: red;
  border-radius: 100px / 50px;
}
Oval.png

5. 上三角形(Triangle Up)

#triangle-up {
  width: 0px;
  height: 0px;
  border-left: 50px solid transparent;
  border-right: 50px solid transparent;
  border-bottom: 100px solid red;
}
triangle-up.png

6. 下三角形(Triangle Down)

#triagnle-down {
  width: 0px;
  height: 0px;
  border-left: 50px solid transparent;
  border-right: 50px solid transparent;
  border-top: 100px solid red;
}
triangle-down.png

7. 左三角形(Triangle Left)

#triangle-left {
  width: 0px;
  height: 0px;
  border-right: 100px solid red;
  border-top: 50px solid transparent;
  border-bottom: 50px solid transparent;
}
triangle-left.png

8. 右三角形(Triangle Right)

#triangle-right {
  width: 0px;
  height: 0px;
  border-left: 100px solid red;
  border-top: 50px solid transparent;
  border-bottom: 50px solid transparent;
}
triangle-right.png

9. 左上三角(Triangle Top Left)

#triangle-topleft {
  width: 0px;
  height: 0px;
  border-top: 100px solid red;
  border-right: 100px solid transparent;
}
triangle-topleft.png

10. 右上三角(Triangle Top Right)

#triangle-topright {
  width: 0px;
  height: 0px;
  border-top: 100px solid red;
  border-left: 100px solid transparent;
}
triangle-topright.png

11. 左下三角(Triangle Bottom Left)

#triangle-bottomleft {
  width: 0px;
  height: 0px;
  border-bottom: 100px solid red;
  border-right: 100px solid transparent;
}
triangle-bottomleft.png

12. 右下三角(Triangle Bottom Right)

#triangle-bottomright {
  width: 0px;
  height: 0px;
  border-bottom: 100px solid red;
  border-left: 100px solid transparent;
}
triangle-bottomright.png

13. 上半圆(Semicircle Top)

实现原理:把高度 height 设置为宽度 width 的一半,并且左上角和右上角的圆角半径与元素的高度一致,而右下角和左下角的圆角半径设置为 0

#semicircle-top {
  width: 100px;
  height: 50px;
  background: red;
  border-radius: 100px 100px 0 0;
  /* 左上、右上、右下、左下 */
}
semicircle-top.png

14. 下半圆(Semicircle Bottom)

#semicircle-bottom {
  width: 100px;
  height: 50px;
  background: red;
  border-radius: 0 0 100px 100px;
  /* 左上、右上、右下、左下 */
}
semicircle-bottom.png

15. 左半圆(Semicircle Left)

#semicircle-left {
  width: 50px;
  height: 100px;
  background: red;
  border-radius: 50px 0 0 50px;
  /* 左上、右上、右下、左下 */
}
semicircle-left.png

16. 右半圆(Semicircle Right)

#semicircle-right {
  width: 50px;
  height: 100px;
  background: red;
  border-radius: 0 50px 50px 0;
  /* 左上、右上、右下、左下 */
}
semicircle-right.png

17. 扇形(Sector)

#sector {
  width: 100px;
  height: 100px;
  background: red;
  border-radius: 100px 0 0 0;
}
sector.png

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