用html语言编写勾股定理,html5 勾股定理动画演示 -尊龙游戏旗舰厅官网
css
语言：
cssscss
确定
@import ;
html,
body {
height: 100%;
}
body {
display: -webkit-box;
display: -webkit-flex;
display: -ms-flexbox;
display: flex;
-webkit-box-pack: center;
-webkit-justify-content: center;
-ms-flex-pack: center;
justify-content: center;
-webkit-box-align: center;
-webkit-align-items: center;
-ms-flex-align: center;
align-items: center;
background: lightgray;
}
figure {
position: relative;
width: 330px;
height: 330px;
background: white;
box-shadow: 0 10px 40px gray;
background-position: 0 0;
background-color: white;
background-image: -webkit-repeating-linear-gradient(transparent 0, transparent 9px, gainsboro 10px), -webkit-repeating-linear-gradient(0deg, transparent 0, transparent 9px, gainsboro 10px);
background-image: repeating-linear-gradient(transparent 0, transparent 9px, gainsboro 10px), repeating-linear-gradient(90deg, transparent 0, transparent 9px, gainsboro 10px);
}
div {
display: block;
position: absolute;
width: 110px;
height: 220px;
box-sizing: border-box;
-webkit-transition: -webkit-transform 0.5s cubic-bezier(0.45, 0.15, 0, 1);
transition: transform 0.5s cubic-bezier(0.45, 0.15, 0, 1);
}
.top.left,
.bottom.right {
width: 110px;
height: 220px;
border-bottom: 220px solid;
border-left: 110px solid;
}
.top.right,
.bottom.left {
width: 220px;
height: 110px;
border-right: 220px solid;
border-bottom: 110px solid;
}
.top {
top: 0;
}
.left {
left: 0;
}
.right {
right: 0;
}
.bottom {
bottom: 0;
}
.top.left {
border-color: transparent limegreen;
}
.top.right {
border-color: transparent tomato;
}
.bottom.left {
border-color: dodgerblue transparent;
}
.bottom.right {
border-color: gold transparent;
-webkit-transition-delay: 0.5s;
transition-delay: 0.5s;
}
label {
font-family: playfair display;
font-style: italic;
font-size: 32px;
position: absolute;
text-align: center;
-webkit-transition: -webkit-transform 0.5s;
transition: transform 0.5s;
}
label:before {
content: attr(class);
}
label:after {
display: inline-block;
content: "2";
font-size: smaller;
line-height: 1;
vertical-align: super;
}
.a {
width: 330px;
line-height: 330px;
}
.b {
top: 0;
right: 0;
width: 220px;
height: 220px;
line-height: 220px;
-webkit-transform: translate(55px, -55px);
-ms-transform: translate(55px, -55px);
transform: translate(55px, -55px);
}
.c {
bottom: 0;
left: 0;
width: 110px;
height: 110px;
line-height: 110px;
}
.closed .top.right {
-webkit-transform: translate(0, 200%);
-ms-transform: translate(0, 200%);
transform: translate(0, 200%);
-webkit-transition-delay: 0.5s;
transition-delay: 0.5s;
}
.closed .bottom.right {
-webkit-transform: translate(-200%, -50%);
-ms-transform: translate(-200%, -50%);
transform: translate(-200%, -50%);
-webkit-transition-delay: 0s;
transition-delay: 0s;
}
.closed .bottom.left {
-webkit-transform: translate(50%, 0);
-ms-transform: translate(50%, 0);
transform: translate(50%, 0);
-webkit-transition-delay: 0.5s;
transition-delay: 0.5s;
}
.closed .a {
-webkit-transform: translate(-110px, 0);
-ms-transform: translate(-110px, 0);
transform: translate(-110px, 0);
}
.closed .b {
-webkit-transform: translate(0, 0);
-ms-transform: translate(0, 0);
transform: translate(0, 0);
}
总结
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