Tianhe Gao

css-shapes

Refers:

​## 矩形

```css #square { width: 100px; height: 100px; background: red; }

​#rectangle { width: 200px; height: 100px; background: red; } ```

​## 圆形

```css #circle { width: 100px; height: 100px; background: red; border-radius: 50%; } ```

​## 椭圆形

```css #oval { width: 200px; height: 100px; background: red; border-radius: 100px / 50px; } ```

​## 三角形

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

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

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

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

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

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

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

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

​## 梯形

```css #trapezoid { border-bottom: 100px solid red; border-left: 25px solid transparent; border-right: 25px solid transparent; height: 0; width: 100px; } ```

​## 平行四边形

```css #parallelogram { width: 150px; height: 100px; transform: skew(20deg); background: red; } ```

​## 弧形尾箭头 Curved Tail Arrow

```css #curvedarrow { position: relative; width: 0; height: 0; border-top: 9px solid transparent; border-right: 9px solid red; transform: rotate(10deg); } #curvedarrow::after { content: ""; position: absolute; border: 0 solid transparent; border-top: 3px solid red; border-radius: 20px 0 0 0; top: -12px; left: -9px; width: 12px; height: 12px; transform: rotate(45deg); } ```

​## 六角星

```css #star-six { width: 0; height: 0; border-left: 50px solid transparent; border-right: 50px solid transparent; border-bottom: 100px solid red; position: relative; } #star-six::after { width: 0; height: 0; border-left: 50px solid transparent; border-right: 50px solid transparent; border-top: 100px solid red; position: absolute; content: ""; top: 30px; left: -50px; } ```

​## 五角星

```css #star-five { margin: 50px 0; position: relative; display: block; color: red; width: 0px; height: 0px; border-right: 100px solid transparent; border-bottom: 70px solid red; border-left: 100px solid transparent; transform: rotate(35deg); } #star-five::before { border-bottom: 80px solid red; border-left: 30px solid transparent; border-right: 30px solid transparent; position: absolute; height: 0; width: 0; top: -45px; left: -65px; display: block; content: ''; transform: rotate(-35deg); } #star-five::after { position: absolute; display: block; color: red; top: 3px; left: -105px; width: 0px; height: 0px; border-right: 100px solid transparent; border-bottom: 70px solid red; border-left: 100px solid transparent; transform: rotate(-70deg); content: ''; } ```

​## 正五边形

```css #pentagon { position: relative; width: 54px; box-sizing: content-box; border-width: 50px 18px 0; border-style: solid; border-color: red transparent; } #pentagon::before { content: ""; position: absolute; height: 0; width: 0; top: -85px; left: -18px; border-width: 0 45px 35px; border-style: solid; border-color: transparent transparent red; } ```

​## 正六边形

```css #hexagon { width: 100px; height: 57.735px; background: red; position: relative; } #hexagon::before { content: ""; position: absolute; top: -28.8675px; left: 0; width: 0; height: 0; border-left: 50px solid transparent; border-right: 50px solid transparent; border-bottom: 28.8675px solid red; } #hexagon::after { content: ""; position: absolute; bottom: -28.8675px; left: 0; width: 0; height: 0; border-left: 50px solid transparent; border-right: 50px solid transparent; border-top: 28.8675px solid red; } ```

​## 正八边形

```css #octagon { width: 100px; height: 100px; background: red; position: relative; } #octagon::before { content: ""; width: 100px; height: 0; position: absolute; top: 0; left: 0; border-bottom: 29px solid red; border-left: 29px solid #eee; border-right: 29px solid #eee; } #octagon::after { content: ""; width: 100px; height: 0; position: absolute; bottom: 0; left: 0; border-top: 29px solid red; border-left: 29px solid #eee; border-right: 29px solid #eee; } ```

​## 心形

```css #heart { position: relative; width: 100px; height: 90px; } #heart::before, #heart::after { position: absolute; content: ""; left: 50px; top: 0; width: 50px; height: 80px; background: red; border-radius: 50px 50px 0 0; transform: rotate(-45deg); transform-origin: 0 100%; } #heart::after { left: 0; transform: rotate(45deg); transform-origin: 100% 100%; } ```

​## 无穷大形

```css #infinity { position: relative; width: 212px; height: 100px; box-sizing: content-box; } #infinity::before, #infinity::after { content: ""; box-sizing: content-box; position: absolute; top: 0; left: 0; width: 60px; height: 60px; border: 20px solid red; border-radius: 50px 50px 0 50px; transform: rotate(-45deg); } #infinity::after { left: auto; right: 0; border-radius: 50px 50px 50px 0; transform: rotate(45deg); } ```

​## 菱形

```css #diamond { width: 0; height: 0; border: 50px solid transparent; border-bottom-color: red; position: relative; top: -50px; } #diamond::after { content: ''; position: absolute; left: -50px; top: 50px; width: 0; height: 0; border: 50px solid transparent; border-top-color: red; } ```

​## 钻石盾形

```css #diamond-shield { width: 0; height: 0; border: 50px solid transparent; border-bottom: 20px solid red; position: relative; top: -50px; } #diamond-shield::after { content: ''; position: absolute; left: -50px; top: 20px; width: 0; height: 0; border: 50px solid transparent; border-top: 70px solid red; } ```

​## Diamond Narrow Shape

```css #diamond-narrow { width: 0; height: 0; border: 50px solid transparent; border-bottom: 70px solid red; position: relative; top: -50px; } #diamond-narrow::after { content: ''; position: absolute; left: -50px; top: 70px; width: 0; height: 0; border: 50px solid transparent; border-top: 70px solid red; } ```

​## Cut Diamond Shape

```css #cut-diamond { border-style: solid; border-color: transparent transparent red transparent; border-width: 0 25px 25px 25px; height: 0; width: 50px; box-sizing: content-box; position: relative; margin: 20px 0 50px 0; } #cut-diamond::after { content: ""; position: absolute; top: 25px; left: -25px; width: 0; height: 0; border-style: solid; border-color: red transparent transparent transparent; border-width: 70px 50px 0 50px; } ```

​## 鸡蛋形

```css #egg { display: block; width: 126px; height: 180px; background-color: red; border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%; } ```

​## 吃豆人形状

```css #pacman { width: 0px; height: 0px; border-right: 60px solid transparent; border-top: 60px solid red; border-left: 60px solid red; border-bottom: 60px solid red; border-top-left-radius: 60px; border-top-right-radius: 60px; border-bottom-left-radius: 60px; border-bottom-right-radius: 60px; } ```

​## 对话气泡形

```css #talkbubble { width: 120px; height: 80px; background: red; position: relative; -moz-border-radius: 10px; -webkit-border-radius: 10px; border-radius: 10px; } #talkbubble::before { content: ""; position: absolute; right: 100%; top: 26px; width: 0; height: 0; border-top: 13px solid transparent; border-right: 26px solid red; border-bottom: 13px solid transparent; } ```

​## RSS Feed

```css #rss { width: 20em; height: 20em; border-radius: 3em; background-color: #ff0000; font-size: 14px; } #rss::before { content: ''; z-index: 1; display: block; height: 5em; width: 5em; background: #fff; border-radius: 50%; position: relative; top: 11.5em; left: 3.5em; } #rss::after { content: ''; display: block; background: #ff0000; width: 13em; height: 13em; top: -2em; left: 3.8em; border-radius: 2.5em; position: relative; box-shadow: -2em 2em 0 0 #fff inset, -4em 4em 0 0 #ff0000 inset, -6em 6em 0 0 #fff inset } ```

​## 12 点爆发形状

```css #burst-12 { background: red; width: 80px; height: 80px; position: relative; text-align: center; } #burst-12::before, #burst-12::after { content: ""; position: absolute; top: 0; left: 0; height: 80px; width: 80px; background: red; } #burst-12::before { transform: rotate(30deg); } #burst-12::after { transform: rotate(60deg); } ```

​## 8 点爆发形状

```css #burst-8 { background: red; width: 80px; height: 80px; position: relative; text-align: center; transform: rotate(20deg); } #burst-8::before { content: ""; position: absolute; top: 0; left: 0; height: 80px; width: 80px; background: red; transform: rotate(135deg); } ```

​## 阴阳

```css #yin-yang { width: 96px; box-sizing: content-box; height: 48px; background: #eee; border-color: red; border-style: solid; border-width: 2px 2px 50px 2px; border-radius: 100%; position: relative; } #yin-yang::before { content: ""; position: absolute; top: 50%; left: 0; background: #eee; border: 18px solid red; border-radius: 100%; width: 12px; height: 12px; box-sizing: content-box; } #yin-yang::after { content: ""; position: absolute; top: 50%; left: 50%; background: red; border: 18px solid #eee; border-radius: 100%; width: 12px; height: 12px; box-sizing: content-box; } ```

​## 徽章丝带

```css #badge-ribbon { position: relative; background: red; height: 100px; width: 100px; border-radius: 50px; } #badge-ribbon::before, #badge-ribbon::after { content: ''; position: absolute; border-bottom: 70px solid red; border-left: 40px solid transparent; border-right: 40px solid transparent; top: 70px; left: -10px; transform: rotate(-140deg); } #badge-ribbon::after { left: auto; right: -10px; transform: rotate(140deg); } ```

​## 太空入侵者

```css #space-invader { box-shadow: 0 0 0 1em red, 0 1em 0 1em red, -2.5em 1.5em 0 .5em red, 2.5em 1.5em 0 .5em red, -3em -3em 0 0 red, 3em -3em 0 0 red, -2em -2em 0 0 red, 2em -2em 0 0 red, -3em -1em 0 0 red, -2em -1em 0 0 red, 2em -1em 0 0 red, 3em -1em 0 0 red, -4em 0 0 0 red, -3em 0 0 0 red, 3em 0 0 0 red, 4em 0 0 0 red, -5em 1em 0 0 red, -4em 1em 0 0 red, 4em 1em 0 0 red, 5em 1em 0 0 red, -5em 2em 0 0 red, 5em 2em 0 0 red, -5em 3em 0 0 red, -3em 3em 0 0 red, 3em 3em 0 0 red, 5em 3em 0 0 red, -2em 4em 0 0 red, -1em 4em 0 0 red, 1em 4em 0 0 red, 2em 4em 0 0 red; background: red; width: 1em; height: 1em; overflow: hidden; margin: 50px 0 70px 65px; } ```

​## 电视

```css #tv { position: relative; width: 200px; height: 150px; margin: 20px 0; background: red; border-radius: 50% / 10%; color: white; text-align: center; text-indent: .1em; } #tv::before { content: ''; position: absolute; top: 10%; bottom: 10%; right: -5%; left: -5%; background: inherit; border-radius: 5% / 50%; } ```

​## V形

```css #chevron { position: relative; text-align: center; padding: 12px; margin-bottom: 6px; height: 60px; width: 200px; } #chevron::before { content: ''; position: absolute; top: 0; left: 0; height: 100%; width: 51%; background: red; transform: skew(0deg, 6deg); } #chevron::after { content: ''; position: absolute; top: 0; right: 0; height: 100%; width: 50%; background: red; transform: skew(0deg, -6deg); } ```

​## 放大镜

```css #magnifying-glass { font-size: 10em; display: inline-block; width: 0.4em; box-sizing: content-box; height: 0.4em; border: 0.1em solid red; position: relative; border-radius: 0.35em; } #magnifying-glass::before { content: ""; display: inline-block; position: absolute; right: -0.25em; bottom: -0.1em; border-width: 0; background: red; width: 0.35em; height: 0.08em; transform: rotate(45deg); } ```

​## Facebook logo

```css #facebook-icon { background: red; text-indent: -999em; width: 100px; height: 110px; box-sizing: content-box; border-radius: 5px; position: relative; overflow: hidden; border: 15px solid red; border-bottom: 0; } #facebook-icon::before { content: "/20"; position: absolute; background: red; width: 40px; height: 90px; bottom: -30px; right: -37px; border: 20px solid #eee; border-radius: 25px; box-sizing: content-box; } #facebook-icon::after { content: "/20"; position: absolute; width: 55px; top: 50px; height: 20px; background: #eee; right: 5px; box-sizing: content-box; } ```

​## 月牙

```css #moon { width: 80px; height: 80px; border-radius: 50%; box-shadow: 10px 15px red; } ```

​## 旗帜

```css #flag { width: 110px; height: 56px; box-sizing: content-box; padding-top: 15px; position: relative; background: red; color: white; font-size: 11px; letter-spacing: 0.2em; text-align: center; text-transform: uppercase; } #flag::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 0; border-bottom: 13px solid #eee; border-left: 55px solid transparent; border-right: 55px solid transparent; } ```

​## 扇形

```css #cone { width: 0; height: 0; border-left: 70px solid transparent; border-right: 70px solid transparent; border-top: 100px solid red; border-radius: 50%; } ```

​## 十字

```css #cross { background: red; height: 100px; position: relative; width: 20px; } #cross::after { background: red; content: ""; height: 20px; left: -40px; position: absolute; top: 40px; width: 100px; } ```

​## 房子：三角形+矩形

```css #base { background: red; display: inline-block; height: 55px; margin-left: 20px; margin-top: 55px; position: relative; width: 100px; } #base::before { border-bottom: 35px solid red; border-left: 50px solid transparent; border-right: 50px solid transparent; content: ""; height: 0; left: 0; position: absolute; top: -35px; width: 0; } ```

​## 有指向性的丝带

```css #pointer { width: 200px; height: 40px; position: relative; background: red; } #pointer::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 0; border-left: 20px solid white; border-top: 20px solid transparent; border-bottom: 20px solid transparent; } #pointer::before { content: ""; position: absolute; right: -20px; bottom: 0; width: 0; height: 0; border-left: 20px solid red; border-top: 20px solid transparent; border-bottom: 20px solid transparent; } ```

​## 锁形

```css #lock { font-size: 8px; position: relative; width: 18em; height: 13em; border-radius: 2em; top: 10em; box-sizing: border-box; border: 3.5em solid red; border-right-width: 7.5em; border-left-width: 7.5em; margin: 0 0 6rem 0; } #lock::before { content: ""; box-sizing: border-box; position: absolute; border: 2.5em solid red; width: 14em; height: 12em; left: 50%; margin-left: -7em; top: -12em; border-top-left-radius: 7em; border-top-right-radius: 7em; } #lock::after { content: ""; box-sizing: border-box; position: absolute; border: 1em solid red; width: 5em; height: 8em; border-radius: 2.5em; left: 50%; top: -1em; margin-left: -2.5em; } ```

​## 倒角

```css #curved-corner-bottomleft, #curved-corner-bottomright, #curved-corner-topleft, #curved-corner-topright { width: 100px; height: 100px; overflow: hidden; position: relative; } #curved-corner-bottomleft::before, #curved-corner-bottomright::before, #curved-corner-topleft::before, #curved-corner-topright::before { content: ""; display: block; width: 200%; height: 200%; position: absolute; border-radius: 50%; } #curved-corner-bottomleft::before { bottom: 0; left: 0; box-shadow: -50px 50px 0 0 red; } #curved-corner-bottomright::before { bottom: 0; right: 0; box-shadow: 50px 50px 0 0 red; } #curved-corner-topleft::before { top: 0; left: 0; box-shadow: -50px -50px 0 0 red; } #curved-corner-topright::before { top: 0; right: 0; box-shadow: 50px -50px 0 0 red; } ```

No notes link to this note