CSS实现圆角，三角，五角星，五边形，爱心，12角星，8角星，圆，椭圆，圆圈，八卦

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CSS实现圆角，三角，五角星，五边形，爱心，12角星，8角星，圆，椭圆，圆圈，八卦等等

新出的html5新增了不少标签，性能更强，原来的很繁琐的功能几个标签就能实现，同时CSS3也推出，更是一大亮点，下面是css3的一切用法，在此总结一下，以供需要的朋友们，总共30个例子

1.长方形

#Rectangle{

width: 200px;

height: 50px;

background-color: red;

color: white;

text-align: center;

}



2.正方形

#square{

width: 200px;

height: 200px;

background-color: red;

color: white;

text-align: center;

}



3.实心圆

#perfect-circle{

width: 200px;

height: 200px;

background-color: red;

color: white;

text-align: center;

border-radius: 100px;

/*-webkit-border-radius: 100px;*/

-moz-border-radius: 100px;

}



4.圈

#circle{

width: 200px;

height: 200px;

background-color: white;

color: black;

text-align: center;

border-radius: 100px;

/*-webkit-border-radius: 10px;*/

/*-moz-border-radius: 100px;*/

border:3px red solid;

}



5.椭圆

#ellipse{

width: 200px;

height: 100px;

background-color: red;

color: white;

text-align: center;

border-radius: 100px/50px;

/*-webkit-border-radius: 100px/50px;*/

/*-moz-border-radius: 100px/50px;*/

}



6.上三角

#triangle-up{

width: 0px;

height: 0px;

color: white;

text-align: center;

border-left: 50px solid transparent;

border-right: 50px solid transparent;

border-bottom: 100px solid red;

/*-webkit-border-top-left-radius: 50px solid transparent;*/

/*-webkit-border-top-right-radius: 50px solid transparent;*/

/*-webkit-border-bottom-left-radius: 100px solid red;*/

/*-webkit-border-bottom-right-radius: 100px solid red;*/

}



7.下三角

#triangle-down{

width: 0px;

height: 0px;

color: white;

text-align: center;

border-top: 100px solid red;

border-left: 50px solid transparent;

border-right: 50px solid transparent;

}



8.左三角

#triangle-left{

width: 0px;

height: 0px;

color: white;

text-align: center;

border-top: 50px solid transparent;

border-left: 100px solid red;

border-bottom: 50px solid transparent;

}



9.右三角

#triangle-right{

width: 0px;

height: 0px;

color: white;

text-align: center;

border-top: 50px solid transparent;

border-right: 100px solid red;

border-bottom: 50px solid transparent;

}



10.顶左

#triangle-topleft{

width: 0px;

height: 0px;

border-top: 100px solid red;

border-right: 100px solid transparent;

}



11.顶右

#triangle-topright{

width: 0px;

height: 0px;

border-top: 100 solid red;

border-left: 100 solid transparent;

}



12.底左

#triangle-bottomleft{

width: 0px;

height: 0px;

border-bottom: 100px solid red;

border-right: 100px solid transparent;

}


13.底右

#triangle-bottomright{

width: 0px;

height: 0px;

border-bottom: 100px solid red;

border-left: 100px solid transparent;

}



14.平行四边形

#parallelogram{

width: 200px;

height: 150px;

margin-left: 30px;

-webkit-transform: skew(-30deg);

-moz-transform: skew(200deg);

-o-transform: skew(200deg);

background-color: red;

}



15.

#trapezoid{

border-bottom: 100px solid red;

border-left: 50px solid transparent;

border-right: 50px solid transparent;

width: 100px;

height: 0px;

}



16. #star-five{

width: 0;

height: 0;

color: red;

margin: 50px 0;

position: relative;

display: block;

border-left: 100px solid transparent;

border-right: 100px solid transparent;

border-bottom: 70px solid red;

-moz-transfrom:rotate(35deg);

-webkit-transform:rotate(35deg);

-ms-transform:rotate(35deg);

-o-transform:rotate(35deg);

}

#star-five:before{

width: 0;

height: 0;

border-left: 30px solid transparent;

border-right: 30px solid transparent;

border-bottom: 80px solid red;

position: absolute;

top: -45px;

left: -65px;

color: white;

display: block;

content: "";

-moz-transform:rotate(-35deg);

-webkit-transform:rotate(-35deg);

-ms-transform:rotate(-35deg);

-o-transform:rotate(-35deg);

}

#star-five:after{

width: 0;

height: 0;

display: block;

position: absolute;

color: red;

top: 3px;

left: -105px;

border-left: 100px solid transparent;

border-right: 100px solid transparent;

border-bottom: 70px solid red;

content: "";

-moz-transform:rotate(-70deg);

-webkit-transform:rotate(-70deg);

-ms-transform:rotate(-70deg);

-o-transform:rotate(-70deg);

}



17. #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-top: 100px solid red;

border-left: 50px solid transparent;

border-right: 50px solid transparent;

position: absolute;

content: "";

top: 30px;

left: -50px;

}



18. #pentagon{

width: 54px;

position: relative;

border-width: 50px 18px 0;

border-style: solid;

border-color: red transparent;

}

#pentagon:before{

content: "";

position: absolute;

width: 0;

height: 0;

top: -85px;

left: -18px;

border-width: 0 45px 35px;

border-style: solid;

border-color: transparent transparent red;

}



19. #hexagon{

width: 100px;

height: 55px;

background-color: red;

position: relative;

}

#hexagon:before{

content: "";

position: absolute;

top: -25px;

left: 0;

width: 0;

height: ;

border-left: 50px solid transparent;

border-right: 50px solid transparent;

border-bottom: 25px solid red;

}

#hexagon:after{

content: "";

left: 0;

width: 0;

height: 0;

bottom: -25px;

position: absolute;

border-left: 50px solid transparent;

border-right: 50px solid transparent;

border-top: 25px solid red;

}



20. #octagon{

width: 100px;

height: 100px;

background-color: red;

position: relative;

}

#octagon:before{

width: 42px;

height: 0;

top: 0;

left: 0;

position: absolute;

content: "";

border-left: 29px solid #eee;

border-right: 29px solid #eee;

border-bottom: 29px solid red;

}

#octagon:after{

width: 42px;

height: 0;

left: 0;

bottom: 0;

position: absolute;

content: "";

border-left: 29px solid #eee;

border-right: 29px solid #eee;

border-top: 29px solid red;

}



21 #heart{

width: 100px;

height: 90px;

position: relative;

}

#heart:before,#heart:after{

width: 50px;

height: 80px;

left: 50px;

top: 0;

background-color: red;

position: absolute;

content: "";

-moz-border-radius:50px 50px 0 0;

border-radius: 50px 50px 0 0;

-webkit-transform:rotate(-45deg);

-ms-transform:rotate(-45deg);

-moz-transform:rotate(-45deg);

-o-transform:rotate(-45deg);

transform:rotate(-45deg);

-webkit-transform-origin:0 100%;

-ms-transform-origin:0 100%;

-moz-transform-origin:0 100%;

-o-transform-origin:0 100%;

tansform-origin:0 100%;

}

#heart:after{

left: 0;

-webkit-transform:rotate(45deg);

-ms-transform:rotate(45deg);

-moz-transform:rotate(45deg);

-o-transform:rotate(45deg);

transform:rotate(45deg);

-webkit-transform-origin:100% 100%;

-ms-transform-origin:100% 100%;

-moz-transform-origin:100% 100%;

-o-transform-origin:100% 100%;

transform-origin:100% 100%;

}



22. #infinity{

width: 212px;

height: 100px;

position: relative;

}

#infinity:before,#infinity:after{

width: 60px;

height: 60px;

top: 0;

left: 0;

border: 20px solid red;

position: absolute;

content: "";

border-radius: 50px 50px 0 50px;

-webkit-border-radius:50px 50px 0 50px;

-moz-border-radius:50px 50px 0 50px;

transform:rotate(-45deg);

-webkit-transform:rotate(-45deg);

-ms-transform:rotate(-45deg);

-moz-transform:rotate(-45deg);

-o-transform:rotate(-45deg);

}

#infinity:after{

left: auto;

right: 0;

border-radius: 50px 50px 50px 0;

-webkit-border-radius:50px 50px 50px 0;

-moz-border-radius:50px 50px 50px 0;

transform:rotate(45deg);

-webkit-transform:rotate(45deg);

-moz-transform:rotate(45deg);

-ms-transform:rotate(45deg);

-o-transform:rotate(45deg);

}



23. #egg{

width: 126px;

height: 180px;

background-color: red;

display: block;

border-radius: 50% 50% 50% 50%/60% 60% 40% 40%;

/*-webkit-border-radius:50% 50% 50% 50%/60% 60% 40% 40%;*/

}



24. #pacman{

width: 0;

height: 0;

border-right: 60px solid transparent;

border-left: 60px solid red;

border-top: 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;

}



25. #talkbubble{

width: 200px;

height: 100px;

background-color: red;

position: relative;

border-radius: 10px;

-webkit-border-radius:10px;

-moz-border-radius:10px;

-ms-border-radius:10px;

-o-border-radius:10px;

}

#talkbubble:before{

width: 0;

height: 0;

right: 100%;

top: 30px;

position: absolute;

content: "";

border-top: 15px solid transparent;

border-right: 30px solid red;

border-bottom: 15px solid transparent;

}



26. #burst-12{

width: 80px;

height: 80px;

background-color: red;

position: relative;

text-align: center;

}

#burst-12:before,#burst-12:after{

width: 80px;

height: 80px;

top: 0;

left: 0;

background-color: red;

position: absolute;

content: "";

}

#burst-12:before{

transform:rotate(30deg);

-webkit-transform:rotate(30deg);

-ms-transform:rotate(30deg);

-moz-transform:rotate(30deg);

-o-transform:rotate(30deg);

}

#burst-12:after{

transform:rotate(60deg);

-webkit-transform:rotate(60deg);

-ms-transform:rotate(60deg);

-moz-transform:rotate(60deg);

-o-transform:rotate(60deg);

}



27. #burst-8{

width: 80px;

height: 80px;

background-color: red;

text-align: center;

position: relative;

transform:rotate(20deg);

-webkit-transform:rotate(20deg);

-ms-transform:rotate(20deg);

-moz-transform:rotate(20deg);

-o-transform:rotate(20deg);

}

#burst-8:before{

width: 80px;

height: 80px;

top: 0;

left: 0;

background-color: red;

position: absolute;

content: "";

transform:rotate(135deg);

-webkit-transform:rotate(135deg);

-ms-transform:rotate(135deg);

-moz-transform:rotate(135deg);

-o-transform:rotate(135deg);

}



29. #diamond{

width: 50px;

height: 0;

border-style: solid;

border-color: transparent transparent red transparent;

border-width: 0 25px 25px 25px;

position: relative;

margin: 20px 0 50px 0;

}

#diamond:after{

width: 0;

height: 0;

top: 25px;

left: -25px;

border-style: solid;

border-color: red transparent transparent transparent;

border-width: 70px 50px 0 50px;

position: absolute;

content: "";

}



30. #yin-yang{

width: 96px;

height: 48px;

background-color: #fff;

border-color: red;

border-style: solid;

border-width: 2px 2px 50px 2px;

border-radius: 100%;

position: relative;

}

#yin-yang:before {

width: 12px;

height: 12px;

top: 50%;

left: 0;

content: "";

position: absolute;

background-color: #fff;

border: 18px solid red;

border-radius: 100%;

}

#yin-yang:after {

width: 12px;

height: 12px;

top: 50%;

left: 50%;

background-color: red;

border: 18px solid #fff;

border-radius:100%;

content: "";

position: absolute;

}



至此30个例子到此结束，不足之处还请大神多多指正，共同学习进步。谢谢。。。