css绘图

1.border绘图

原理归纳:疑似找到box中点,当邻边同样有外边距时,沿两边框长度形成的角度发射线向外绘制三角形得到每一条边上的外边距,同时形成圆角。

原理演绎:暂无浏览器渲染原理、C++造诣。

css绘图

 .border {

  width:0px;

  height:0px;

  border: 50px solid;

  border-color: #7cb5ec #8085e8 #90ed7d #f7a35c;

}


css绘图
 .border {

  width:0px;

  height:0px;

  border: 50px solid;

  border-color: #7cb5ec transparent transparent transparent;

}


css绘图
 .border {

  width: 0; 

  height:0;

  border-top: 50px solid #7cb5ec;

  border-right: 50px solid #8085e8;

  border-left: 50px solid #90ed7d;

}

浏览器无显示输出

.border {

  width: 0; 

  height:0;

  border-top: 40px solid #ADFF2F;

  border-bottom: 40px solid #FF0000;

}

延伸:

css绘图

#star-six {

    width: 0;

    height: 0;

    border-left: 50px solid transparent;

    border-right: 50px solid transparent;

    border-bottom: 100px solid #7cb5ec;

    position: relative;

}

#star-six:after {

    width: 0;

    height: 0;

    border-left: 50px solid transparent;

    border-right: 50px solid transparent;

    border-top: 100px solid #7cb5ec;

    position: absolute;

    content: "";

    top: 30px;

    left: -50px;

}


css绘图

#star-five {

   margin: 50px 0;

   position: relative;

   display: block;

   color: #7cb5ec;

   width: 0px;

   height: 0px;

   border-right:  100px solid transparent;

   border-bottom: 70px  solid #7cb5ec;

   border-left:   100px solid transparent;

   -moz-transform:    rotate(35deg);

   -webkit-transform: rotate(35deg);

   -ms-transform:     rotate(35deg);

   -o-transform:      rotate(35deg);

}

#star-five:before {

   border-bottom: 80px solid #7cb5ec;

   border-left: 30px solid transparent;

   border-right: 30px solid transparent;

   position: absolute;

   height: 0;

   width: 0;

   top: -45px;

   left: -65px;

   display: block;

   content: '';

   -webkit-transform: rotate(-35deg);

   -moz-transform:    rotate(-35deg);

   -ms-transform:     rotate(-35deg);

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

}

#star-five:after {

   position: absolute;

   display: block;

   color: #7cb5ec;

   top: 3px;

   left: -105px;

   width: 0px;

   height: 0px;

   border-right: 100px solid transparent;

   border-bottom: 70px solid #7cb5ec;

   border-left: 100px solid transparent;

   -webkit-transform: rotate(-70deg);

   -moz-transform:    rotate(-70deg);

   -ms-transform:     rotate(-70deg);

   -o-transform:      rotate(-70deg);

   content: '';

}


css绘图
 #hexagon {

    width: 100px;

    height: 55px;

    background: #7cb5ec;

    position: relative;

}

#hexagon:before {

    content: "";

    position: absolute;

    top: -25px; 

    left: 0;

    width: 0;

    height: 0;

    border-left: 50px solid transparent;

    border-right: 50px solid transparent;

    border-bottom: 25px solid #7cb5ec;

}

#hexagon:after {

    content: "";

    position: absolute;

    bottom: -25px; 

    left: 0;

    width: 0;

    height: 0;

    border-left: 50px solid transparent;

    border-right: 50px solid transparent;

    border-top: 25px solid #7cb5ec;

}

 
css绘图
 #heart {

    position: relative;

    width: 100px;

    height: 90px;

}

#heart:before,

#heart:after {

    position: absolute;

    content: "";

    left: 50px;

    top: 0;

    width: 50px;

    height: 80px;

    background: #7cb5ec;

    -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%;

css绘图
 #infinity {

    position: relative;

    width: 212px;

    height: 100px;

}

#infinity:before,

#infinity:after {

    content: "";

    position: absolute;

    top: 0;

    left: 0;

    width: 60px;

    height: 60px;    

    border: 20px solid #7cb5ec;

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

         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: 70px;

    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);

}

css绘图
 #egg {

   display:block;

   width: 126px; 

   height: 180px;

   background-color: #7cb5ec;

   -webkit-border-radius: 63px 63px 63px 63px / 108px 108px 72px 72px;

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

}

css绘图
 #pacman {

  width: 0px;

  height: 0px;

  border-right: 60px solid transparent;

  border-top: 60px solid #7cb5ec;

  border-left: 60px solid #7cb5ec;

  border-bottom: 60px solid #7cb5ec;

  border-top-left-radius: 60px;

  border-top-right-radius: 60px;

  border-bottom-left-radius: 60px;

  border-bottom-right-radius: 60px;

}


css绘图
 #talkbubble {

   width: 120px; 

   height: 80px; 

   background: #7cb5ec;

   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: 18px solid #7cb5ec;

   border-bottom: 13px solid transparent;

}

css绘图
 #burst-12 {

    background: #7cb5ec;

    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: #7cb5ec;

}

#burst-12:before {

    -webkit-transform: rotate(30deg);

       -moz-transform: rotate(30deg);

        -ms-transform: rotate(30deg);

         -o-transform: rotate(30deg);

            transform: rotate(30deg);

}

#burst-12:after {

    -webkit-transform: rotate(60deg);

       -moz-transform: rotate(60deg);

        -ms-transform: rotate(60deg);

         -o-transform: rotate(60deg);

            transform: rotate(60deg);

}

进阶:

气泡框

css绘图
 .triangle-isosceles {

  position:relative;

  padding:15px;

  margin:1em 0 3em;

  width: 400px;

  color:#fff;

  background:#f3961c; /* default background for browsers without gradient support */

  /* css3 */

  background:-webkit-gradient(linear, 0 0, 0 100%, from(#2e88c4), to(#075698));

  background:-moz-linear-gradient(#2e88c4, #075698);

  background:-o-linear-gradient(#2e88c4, #075698);

  background:linear-gradient(#2e88c4, #075698);

  -webkit-border-radius:10px;

  -moz-border-radius:10px;

  border-radius:10px;

}

.triangle-isosceles:after {

  content:"";

  position:absolute;

  bottom:-15px; /* value = - border-top-width - border-bottom-width */

  left:50px; /* controls horizontal position */

  border-width:15px 15px 0; /* vary these values to change the angle of the vertex */

  border-style:solid;

  border-color:#075698 transparent;

  /* reduce the damage in FF3.0 */

  display:block;

  width:0;

}


css绘图
 .triangle-border {

  position:relative;

  padding:15px;

  margin:1em 0 3em;

  border:5px solid #5a8f00;

  color:#333;

  background:#fff;

  /* css3 */

  -webkit-border-radius:10px;

  -moz-border-radius:10px;

  border-radius:10px;

}

.triangle-border:before {

  content:"";

  position:absolute;

  bottom:-20px; /* value = - border-top-width - border-bottom-width */

  left:40px; /* controls horizontal position */

  border-width:20px 20px 0;

  border-style:solid;

  border-color:#5a8f00 transparent;

  /* reduce the damage in FF3.0 */

  display:block;

  width:0;

}

.triangle-border:after {

  content:"";

  position:absolute;

  bottom:-13px; /* value = - border-top-width - border-bottom-width */

  left:47px; /* value = (:before left) + (:before border-left) - (:after border-left) */

  border-width:13px 13px 0;

  border-style:solid;

  border-color:#fff transparent;

  /* reduce the damage in FF3.0 */

  display:block;

  width:0;

}


css绘图

<div class="oval-thought"><p style=“padding:0;margin:0”>nihao</p></div>
 .oval-thought {

  position:relative;

  width:270px;

  padding:50px 40px;

  margin:1em auto 80px;

  text-align:center;

  color:#fff;

  background:#075698;

  /* css3 */

  background:-webkit-gradient(linear, 0 0, 0 100%, from(#2e88c4), to(#075698));

  background:-moz-linear-gradient(#2e88c4, #075698);

  background:-o-linear-gradient(#2e88c4, #075698);

  background:linear-gradient(#2e88c4, #075698);

  /*

  NOTES:

  -webkit-border-radius:220px 120px; // produces oval in safari 4 and chrome 4

  -webkit-border-radius:220px / 120px; // produces oval in chrome 4 (again!) but not supported in safari 4

  Not correct application of the current spec, therefore, using longhand to avoid future problems with webkit corrects this

  */

  -webkit-border-top-left-radius:220px 120px;

  -webkit-border-top-right-radius:220px 120px;

  -webkit-border-bottom-right-radius:220px 120px;

  -webkit-border-bottom-left-radius:220px 120px;

  -moz-border-radius:220px / 120px;

  border-radius:220px / 120px;

}

.oval-thought:before {

  content:"";

  position:absolute;

  bottom:-30px;

  left:50px;

  width:30px;

  height:30px;

  background:#075698;

  /* css3 */

  -webkit-border-radius:30px;

  -moz-border-radius:30px;

  border-radius:30px;

}

.oval-thought:after {

  content:"";

  position:absolute;

  bottom:-40px;

  left:30px;

  width:15px;

  height:15px;

  background:#075698;

  /* css3 */

  -webkit-border-radius:15px;

  -moz-border-radius:15px;

  border-radius:15px;

}

css绘图
 .oval-quotes {

  position:relative;

  width:400px;

  height:350px;

  margin:2em auto 10px;

  color:#fff;

  background:#7cb5ec;

  /* css3 */

  /*

  NOTES:

  -webkit-border-radius:Apx Bpx; // produces oval in safari 4 and chrome 4

  -webkit-border-radius:Apx / Bpx; // produces oval in chrome 4 (again!) but not supported in safari 4

  Not correct application of the current spec, therefore, using longhand to avoid future problems with webkit corrects this

  */

  -webkit-border-top-left-radius:400px 350px;

  -webkit-border-top-right-radius:400px 350px;

  -webkit-border-bottom-right-radius:400px 350px;

  -webkit-border-bottom-left-radius:400px 350px;

  -moz-border-radius:400px / 350px;

  border-radius:400px / 350px;

}

.oval-quotes:before {

  content:"\201C";

  position:absolute;

  z-index:1;

  top:20px;

  left:20px;

  font:80px/1 Georgia, serif;

  color:#7cb5ec;

}

.oval-quotes:after {

  content:"\201D";

  position:absolute;

  z-index:1;

  bottom:0;

  right:20px;

  font:80px/0.25 Georgia, serif;

  color:#7cb5ec;

}

.oval-quotes p {

  width:250px;

  height:250px;

  padding:50px 0 0;

  margin:0 auto;

  text-align:center;

  font-size:35px;

  line-height: 250px;

}

.oval-quotes p:before {

  content:"";

  position:absolute;

  z-index:-1;

  bottom:-30px;

  right:55%;

  width:180px; /* wider than necessary to make it look a bit better in IE8 */

  height:60px;

  background:#fff; /* need this for webkit - bug in handling of border-radius */

  /* css3 */

  -webkit-border-bottom-right-radius:40px 50px;

  -moz-border-radius-bottomright:40px 50px;

  border-bottom-right-radius:40px 50px;

  /* using translate to avoid undesired appearance in CSS2.1-capabable but CSS3-incapable browsers */

  -webkit-transform:translate(-30px, -2px);

  -moz-transform:translate(-30px, -2px);

  -ms-transform:translate(-30px, -2px);

  -o-transform:translate(-30px, -2px);

  transform:translate(-30px, -2px);

}

.oval-quotes p:after {

  content:"";

  position:absolute;

  z-index:-2;

  bottom:-30px;

  right:25%;

  height:80px;

  border-right:200px solid #7cb5ec;

  background:#7cb5ec; /* need this for webkit - bug in handling of border-radius */

  /* css3 */

  -webkit-border-bottom-right-radius:200px 100px;

  -moz-border-radius-bottomright:200px 100px;

  border-bottom-right-radius:200px 100px;

  /* using translate to avoid undesired appearance in CSS2.1-capabable but CSS3-incapable browsers */

  -webkit-transform:translate(0, -2px);

  -moz-transform:translate(0, -2px);

  -ms-transform:translate(0, -2px);

  -o-transform:translate(0, -2px);

  transform:translate(0, -2px);

  /* reduce the damage in FF3.0 */

  display:block;

  width:0;

}

 2.css3-transform,2D/3D转换

transform:none;不作任何转换

transform:translateX(x);平移

transform:translateY(y);

transform:translateZ(z);

transform:translate(x,y);

transform:translate3d(x,y,z);

transform:scaleX(x);缩放

transform:scaleY(y);

transform:scaleZ(z);

transform:scale(x,y);

transform:scale3d(x,y,z);

transform:rotateX(angle);绕X轴旋转,到180°即是垂直翻转

transform:rotateY(angle);

transform:rotateZ(angle);

transform:rotate(angle);默认绕着中心旋转

transform:rotate3d(angle);

transform:skewX(angle);水平方向不变,垂直方向倾斜

transform:skewY(angle);

transform:skew(angle,angle);

transform:matrix(a,b,c,d,e,f);矩阵运算,[[a,c,f],[b,d,e],[0,0,0]]*[[x],[y],[1]]的形式构建新的图形,a、b、c、d约定旋转和缩放,e、f平移

transform:matrix3d(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p);
 

3.css动画-transition

transition: property duration timing-function delay;鼠标移近、点击后触发动画效果

transition-property触发动效的css属性,none为无属性触发,all为全属性触发

transition-duration动画效果持续多少时间

transition-timing-function动效的时间曲线

transition-delay动效开始的时间

transition属性详解:http://www.php100.com/html/webkaifa/DIV_CSS/2012/1029/11403.html

示例:

div{

width:100px;

transition:width 2s;

-webkit-transition:width 2s; /* safari */

}

div:hover{width:300px;}

进阶:随着表单元素获得焦点,聚焦框移动到相应表单元素上

延伸:

鼠标移近后旋转的图片

@keyframes spin {

from { none;} 

to { transform: rotate(360deg);}

}

img {

-webkit-mask-box-image: url(../images/mask.png);

}

img:hover {

animation-name: spin;

animation-duration: 1.5s;

animation-iteration-count: infinite;

animation-direction: ltr;

}

常见图形

按钮

css绘图
 .awesome{

background: #222 url(/images/alert-overlay.png) repeat-x;

display: inline-block;

padding: 5px 10px 6px;

color: #fff;

text-decoration: none;

font-weight: bold;

line-height: 1;

-moz-border-radius: 5px;

-webkit-border-radius: 5px;

-moz-box-shadow: 0 1px 3px #999;

-webkit-box-shadow: 0 1px 3px #999;

text-shadow: 0 -1px 1px #222;

border-bottom: 1px solid #222;

position: relative;

cursor: pointer;

}

/* Sizes ---------- */

.small.awesome {

font-size: 11px;

}

.medium.awesome {

font-size: 13px;

}

.large.awesome {

font-size: 14px;

padding: 8px 14px 9px;

}

/* Colors ---------- */

.blue.awesome {

background-color: #2daebf;

}

.red.awesome {

background-color: #e33100;

}

.magenta.awesome {

background-color: #a9014b;

}

.orange.awesome {

background-color: #ff5c00;

}

.yellow.awesome {

background-color: #ffb515;

}

http://webjx.com/css/divcss-24428.html

http://blog.csdn.net/dojotoolkit/article/details/6859754

http://zurb.com/article/266/super-awesome-buttons-with-css3-and-rgba

http://webdesignerwall.com/tutorials/css3-dropdown-menu

http://www.php100.com/html/webkaifa/DIV_CSS/2012/1029/11403.html

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