核心提示:学习用CSS3绘制各种图形。截图: 代码:HTML:!DOCTYPE HTMLhtmlheadmeta charset=utf-8titleCSS3绘制各种几何图形练习/title/headbo...
学习用CSS3绘制各种图形。
截图:




代码:
HTML:
<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>CSS3绘制各种几何图形练习</title> </head> <body> <!--圆形--> <p id="circle"></p> <br> <!--椭圆形--> <p id="oval"></p> <br> <!--正三角形--> <p id="triangle"></p> <br> <br> <!--菱形--> <p id="diamond"></p> <br> <!--梯形--> <p id="trapezium"></p> <br> <!--平行四边形--> <p id="parallelogram"></p> <br> <br> <!--平行四边形2--> <p id="parallelogram2"></p> <br> <br> <br> <!--平行四边形3--> <p id="parallelogram3"></p> <br> <!--五角星形--> <p id="star"></p> <br> <!--六角形--> <p id="star_six_points"></p> <br><br> <!--六边形--> <p id="hexagon"></p> <br><br> <!--心形--> <p id="heart"></p> <br><br> <!--蛋形--> <p id="egg"></p> <br><br> <!--无穷符号--> <p id="infinity"></p> <br><br><br><br> <!--消息提示框--> <p id="comment_bubble"></p> <br><br> <!--消息提示框 回复--> <p id="comment_bubble2"></p> <br> </body> </html>
CSS:
/*圆形*/ #circle { width: 120px; height: 120px; background: #7fee1d; -moz-border-radius: 60px; -webkit-border-radius: 60px; border-radius: 60px; } /*椭圆形*/ #oval { width: 200px; height: 100px; background: #e9337c; -webkit-border-radius: 100px / 50px; -moz-border-radius: 100px / 50px; border-radius: 100px / 50px; } /*正三角性*/ #triangle { width: 0; height: 0; border-bottom: 140px solid #fcf921; border-left: 70px solid transparent; border-right: 70px solid transparent; } /*制作菱形的方法有很多种。这里使用的是transform属性和rotate相结合,使两个正反三角形上下显示。*/ #diamond { width: 120px; height: 120px; background: #1eff00; /* Rotate transform 旋转角度*/ -webkit-transform: rotate(-45deg); -moz-transform: rotate(-45deg); -ms-transform: rotate(-45deg); -o-transform: rotate(-45deg); transform: rotate(-45deg); /* Rotate Origin transform-origin 设置旋转元素的基点或者中心点位置:注释:该属性必须与 transform 属性一同使用。默认值 X 轴:50% Y 轴:50% Z 轴:0 ;即盒子中心*/ -webkit-transform-origin: 0 100%; -moz-transform-origin: 0 100%; -ms-transform-origin: 0 100%; -o-transform-origin: 0 100%; transform-origin: 0 100%; margin-top: 60px; margin-right: 0; margin-bottom: 10px; margin-left: 110px; } /*梯形*/ #trapezium { height: 0; width: 120px; border-bottom: 120px solid #ec3504; border-left: 60px solid transparent; border-right: 60px solid transparent; } /*平行四边形 绕X轴倾斜*/ #parallelogram { width: 160px; height: 100px; background: #8734f7; -webkit-transform: skew(30deg, 0deg); -moz-transform: skew(30deg); -o-transform: skew(30deg); transform: skew(30deg); /*skew()方法,该元素会根据横向(X轴)和垂直(Y轴)线参数给定角度;如:skew(30deg,20deg)是绕X轴和Y轴周围20度30度的元素。*/ margin-left: 50px; } /*平行四边形 绕Y轴倾斜*/ #parallelogram2 { width: 160px; height: 100px; background: #8734f7; -webkit-transform: skew(0deg, 20deg); -moz-transform: skew(0deg, 20deg); -o-transform: skew(0deg, 20deg); transform: skew(0deg, 20deg); margin-left: 50px; } /*平行四边形 绕X和Y轴倾斜*/ #parallelogram3 { width: 160px; height: 100px; background: #8734f7; -webkit-transform: skew(40deg, 20deg); -moz-transform: skew(40deg, 20deg); -o-transform: skew(40deg, 20deg); transform: skew(40deg, 20deg); margin-left: 50px; } /*五角星形,3个三角形拼接而成,颜色一致即可*/ #star { width: 0; height: 0; margin: 50px 0; position: relative; display: block; border-right: 100px solid transparent; border-bottom: 70px solid #8734f7; border-left: 100px solid transparent; -moz-transform: rotate(35deg); -webkit-transform: rotate(35deg); -o-transform: rotate(35deg); transform: rotate(35deg); } #star:before { height: 0; width: 0; position: absolute; display: block; top: -45px; left: -65px; border-bottom: 80px solid #ec3504; border-left: 30px solid transparent; border-right: 30px solid transparent; content: ''; -webkit-transform: rotate(-35deg); -moz-transform: rotate(-35deg); -o-transform: rotate(-35deg); transform: rotate(-35deg); } #star:after { content: ''; width: 0; height: 0; position: absolute; display: block; top: 3px; left: -105px; border-right: 100px solid transparent; border-bottom: 70px solid #fc4e8a; border-left: 100px solid transparent; -webkit-transform: rotate(-70deg); -moz-transform: rotate(-70deg); -o-transform: rotate(-70deg); transform: rotate(-70deg); } /*六角星 2个互相倒置的等边三角形组合*/ #star_six_points { width: 0; height: 0; display: block; position: absolute; border-left: 50px solid transparent; border-right: 50px solid transparent; border-bottom: 100px solid #fc4e8a; margin: 10px auto; } #star_six_points:after { content: ""; width: 0; height: 0; position: absolute; border-left: 50px solid transparent; border-right: 50px solid transparent; border-top: 100px solid #de34f7; margin: 30px 0 0 -50px; } /*六边形:1个长方形和上下2个等边三角形组合*/ #hexagon { width: 100px; height: 55px; background: #de34f7; position: relative; margin: 10px auto; } #hexagon:before { content: ""; width: 0; height: 0; position: absolute; top: -25px; left: 0; border-left: 50px solid transparent; border-right: 50px solid transparent; border-bottom: 25px solid #fc5e5e; } #hexagon:after { content: ""; width: 0; height: 0; position: absolute; bottom: -25px; left: 0; border-left: 50px solid transparent; border-right: 50px solid transparent; border-top: 25px solid #fc5e5e; } /*心形,2个长方形半圆角组合 */ #heart { position: relative; top: 20px; left: 20px; background-color: #CCC; width: 140px; height: 140px; } #heart:before,#heart:after { content: ""; width: 70px; height: 115px; position: absolute; background: red; left: 70px; top: 0; -webkit-border-radius: 50px 50px 0 0; -moz-border-radius: 50px 50px 0 0; border-radius: 50px 50px 0 0; -webkit-transform: rotate(-45deg); -moz-transform: rotate(-45deg); -ms-transform: rotate(-45deg); -o-transform: rotate(-45deg); transform: rotate(-45deg); -webkit-transform-origin: 0 100%; -moz-transform-origin: 0 100%; -ms-transform-origin: 0 100%; -o-transform-origin: 0 100%; transform-origin: 0 100%; } #heart:after { left: 0; -webkit-transform: rotate(45deg); -moz-transform: rotate(45deg); -ms-transform: rotate(45deg); -o-transform: rotate(45deg); transform: rotate(45deg); -webkit-transform-origin: 100% 100%; -moz-transform-origin: 100% 100%; -ms-transform-origin: 100% 100%; -o-transform-origin: 100% 100%; transform-origin: 100% 100%; background-color: #0FF; } /*蛋形:椭圆形的一个变体,它的高度要比宽度稍大,并且设置正确的border-radius属性即可以制作出一个蛋形*/ #egg { width: 136px; height: 190px; background: #ffc000; display: block; -webkit-border-radius: 63px 63px 63px 63px / 108px 108px 72px 72px; border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%; } /*无穷符号:可以通过border属性和设置伪元素的角度组合来实现。*/ #infinity { width: 220px; height: 100px; position: relative; } #infinity:before,#infinity:after { content: ""; width: 60px; height: 60px; position: absolute; top: 0; left: 0; border: 20px solid #06c999; -moz-border-radius: 50px 50px 0; border-radius: 50px 50px 0 50px; -webkit-transform: rotate(-45deg); -moz-transform: rotate(-45deg); -ms-transform: rotate(-45deg); -o-transform: rotate(-45deg); transform: rotate(-45deg); } #infinity:after { left: auto; right: 0; -moz-border-radius: 50px 50px 50px 0; border-radius: 50px 50px 50px 0; -webkit-transform: rotate(45deg); -moz-transform: rotate(45deg); -ms-transform: rotate(45deg); -o-transform: rotate(45deg); transform: rotate(45deg); border: 20px solid red; } /*消息提示框:可以先制作一个圆角矩形,然后在需要的地方放置一个三角形。*/ #comment_bubble { width: 180px; height: 100px; background: #088cb7; position: relative; -moz-border-radius: 12px; -webkit-border-radius: 12px; border-radius: 12px; left: 10px; } #comment_bubble:after { content: ""; width: 0; height: 0; left: 100%; right: 0; top: 38px; position: absolute; border-top: 13px solid transparent; border-left: 26px solid red; border-bottom: 13px solid transparent; } /*回复消息提示框:可以先制作一个圆角矩形,然后在需要的地方放置一个三角形。*/ #comment_bubble2 { width: 180px; height: 100px; background: #088cb7; position: relative; -moz-border-radius: 12px; -webkit-border-radius: 12px; border-radius: 12px; left: 250px; } #comment_bubble2:before { content: ""; width: 0; height: 0; right: 100%; top: 38px; position: absolute; border-top: 13px solid transparent; border-right: 26px solid red; border-bottom: 13px solid transparent; }