CSS --记录
CSS3与文字渐变光影流动动画效果实现
by zhangxinxu from http://www.zhangxinxu.com
本文地址:http://www.zhangxinxu.com/wordpress/?p=4016
1.shape-outside,shape-margin等;
by zhangxinxu from https://www.zhangxinxu.com/wordpress/?p=8453
2.小tips:了解CSS/CSS3原生变量var
by zhangxinxu from http://www.zhangxinxu.com/wordpress/?p=5804
3.常见的CSS图形绘制合集
#square {
width: 100px;
height: 100px;
background: red;
} #rectangle {
width: 200px;
height: 100px;
background: red;
} #circle {
width: 100px;
height: 100px;
background: red;
border-radius: 50%
} #oval {
width: 200px;
height: 100px;
background: red;
border-radius: 100px / 50px;
} #triangle-up {
width:;
height:;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-bottom: 100px solid red;
} #triangle-down {
width:;
height:;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-top: 100px solid red;
} #triangle-left {
width:;
height:;
border-top: 50px solid transparent;
border-right: 100px solid red;
border-bottom: 50px solid transparent;
} #triangle-right {
width:;
height:;
border-top: 50px solid transparent;
border-left: 100px solid red;
border-bottom: 50px solid transparent;
} #triangle-topleft {
width:;
height:;
border-top: 100px solid red;
border-right: 100px solid transparent;
} #triangle-topright {
width:;
height:;
border-top: 100px solid red;
border-left: 100px solid transparent;
} #triangle-bottomleft {
width:;
height:;
border-bottom: 100px solid red;
border-right: 100px solid transparent;
} #triangle-bottomright {
width:;
height:;
border-bottom: 100px solid red;
border-left: 100px solid transparent;
} #curvedarrow {
position: relative;
width:;
border-top: 90px solid transparent;
border-right: 90px solid red;
transform: rotate(10deg) translateX(100%);
}
#curvedarrow:after {
content: "";
position: absolute;
border: 0 solid transparent;
border-top: 30px solid red;
border-radius: 200px 0 0 0;
top: -120px;
left: -90px;
width: 120px;
height: 120px;
transform: rotate(45deg);
} #trapezoid {
border-bottom: 100px solid red;
border-left: 25px solid transparent;
border-right: 25px solid transparent;
height:;
width: 100px;
} #parallelogram {
width: 150px;
height: 100px;
transform: skew(20deg);
background: red;
} #star-six {
width:;
height:;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-bottom: 100px solid red;
position: relative;
}
#star-six:after {
width:;
height:;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-top: 100px solid red;
position: absolute;
content: "";
top: 30px;
left: -50px;
} #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:;
width:;
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: '';
} #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:;
width:;
top: -85px;
left: -18px;
border-width: 0 45px 35px;
border-style: solid;
border-color: transparent transparent red;
} #hexagon {
width: 100px;
height: 55px;
background: red;
position: relative;
}
#hexagon:before {
content: "";
position: absolute;
top: -25px;
left:;
width:;
height:;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-bottom: 25px solid red;
}
#hexagon:after {
content: "";
position: absolute;
bottom: -25px;
left:;
width:;
height:;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-top: 25px solid red;
} #octagon {
width: 100px;
height: 100px;
background: red;
position: relative;
}
#octagon:before {
content: "";
width: 100px;
height:;
position: absolute;
top:;
left:;
border-bottom: 29px solid red;
border-left: 29px solid #fff;
border-right: 29px solid #fff;
box-sizing: border-box;
}
#octagon:after {
content: "";
width: 100px;
height:;
position: absolute;
bottom:;
left:;
border-top: 29px solid red;
border-left: 29px solid #fff;
border-right: 29px solid #fff;
box-sizing: border-box;
} #heart {
position: relative;
width: 100px;
height: 90px;
}
#heart:before,
#heart:after {
position: absolute;
content: "";
left: 50px;
top:;
width: 50px;
height: 80px;
background: red;
border-radius: 50px 50px 0 0;
transform: rotate(-45deg);
transform-origin: 0 100%;
}
#heart:after {
left:;
transform: rotate(45deg);
transform-origin: 100% 100%;
} #infinity {
position: relative;
width: 212px;
height: 100px;
box-sizing: content-box;
}
#infinity:before,
#infinity:after {
content: "";
box-sizing: content-box;
position: absolute;
top:;
left:;
width: 60px;
height: 60px;
border: 20px solid red;
border-radius: 50px 50px 0 50px;
transform: rotate(-45deg);
}
#infinity:after {
left: auto;
right:;
border-radius: 50px 50px 50px 0;
transform: rotate(45deg);
} #diamond {
width:;
height:;
border: 50px solid transparent;
border-bottom-color: red;
position: relative;
top: -50px;
}
#diamond:after {
content: '';
position: absolute;
left: -50px;
top: 50px;
width:;
height:;
border: 50px solid transparent;
border-top-color: red;
} #diamond-shield {
width:;
height:;
border: 50px solid transparent;
border-bottom: 20px solid red;
position: relative;
top: -50px;
}
#diamond-shield:after {
content: '';
position: absolute;
left: -50px;
top: 20px;
width:;
height:;
border: 50px solid transparent;
border-top: 70px solid red;
} #diamond-narrow {
width:;
height:;
border: 50px solid transparent;
border-bottom: 70px solid red;
position: relative;
top: -50px;
}
#diamond-narrow:after {
content: '';
position: absolute;
left: -50px;
top: 70px;
width:;
height:;
border: 50px solid transparent;
border-top: 70px solid red;
} #cut-diamond {
border-style: solid;
border-color: transparent transparent red transparent;
border-width: 0 25px 25px 25px;
height:;
width: 50px;
box-sizing: content-box;
position: relative;
margin: 20px 0 50px 0;
}
#cut-diamond:after {
content: "";
position: absolute;
top: 25px;
left: -25px;
width:;
height:;
border-style: solid;
border-color: red transparent transparent transparent;
border-width: 70px 50px 0 50px;
} #egg {
display: block;
width: 126px;
height: 180px;
background-color: red;
border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
} #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;
} #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:;
height:;
border-top: 13px solid transparent;
border-right: 26px solid red;
border-bottom: 13px solid transparent;
} #burst-12 {
background: red;
width: 80px;
height: 80px;
position: relative;
text-align: center;
}
#burst-12:before,
#burst-12:after {
content: "";
position: absolute;
top:;
left:;
height: 80px;
width: 80px;
background: red;
}
#burst-12:before {
transform: rotate(30deg);
}
#burst-12:after {
transform: rotate(60deg);
} #burst-8 {
background: red;
width: 80px;
height: 80px;
position: relative;
text-align: center;
transform: rotate(20deg);
}
#burst-8:before {
content: "";
position: absolute;
top:;
left:;
height: 80px;
width: 80px;
background: red;
transform: rotate(135deg);
} #yin-yang {
width: 96px;
height: 48px;
background: #fff;
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:;
background: #fff;
border: 18px solid red;
border-radius: 100%;
width: 12px;
height: 12px;
}
#yin-yang:after {
content: "";
position: absolute;
top: 50%;
left: 50%;
background: red;
border: 18px solid #fff;
border-radius: 100%;
width: 12px;
height: 12px;
} #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);
} #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;
} #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%;
} #chevron {
position: relative;
text-align: center;
padding: 12px;
margin-bottom: 6px;
height: 60px;
width: 200px;
}
#chevron:before {
content: '';
position: absolute;
top:;
left:;
height: 100%;
width: 51%;
background: red;
transform: skew(0deg, 6deg);
}
#chevron:after {
content: '';
position: absolute;
top:;
right:;
height: 100%;
width: 50%;
background: red;
transform: skew(0deg, -6deg);
} #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:;
background: red;
width: 0.35em;
height: 0.08em;
transform: rotate(45deg);
} #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:;
}
#facebook-icon:before {
content: "/20";
position: absolute;
background: red;
width: 40px;
height: 90px;
bottom: -30px;
right: -37px;
border: 20px solid #fff;
border-radius: 25px;
box-sizing: content-box;
}
#facebook-icon:after {
content: "/20";
position: absolute;
width: 55px;
top: 50px;
height: 20px;
background: #fff;
right: 5px;
box-sizing: content-box;
} #moon {
width: 80px;
height: 80px;
border-radius: 50%;
box-shadow: 15px 15px 0 0 red;
} #flag {
width: 110px;
height: 56px;
padding-top: 15px;
position: relative;
background: red;
}
#flag:after {
content: "";
position: absolute;
left:;
bottom:;
width:;
height:;
border-bottom: 13px solid #fff;
border-left: 55px solid transparent;
border-right: 55px solid transparent;
} #cone {
width:;
height:;
border-left: 70px solid transparent;
border-right: 70px solid transparent;
border-top: 100px solid red;
border-radius: 50%;
} #cross {
background: red;
height: 100px;
position: relative;
width: 20px;
}
#cross:after {
background: red;
content: "";
height: 20px;
left: -40px;
position: absolute;
top: 40px;
width: 100px;
} #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:;
left:;
position: absolute;
top: -35px;
width:;
} #pointer {
width: 200px;
height: 40px;
position: relative;
background: red;
}
#pointer:after {
content: "";
position: absolute;
left:;
bottom:;
width:;
height:;
border-left: 20px solid white;
border-top: 20px solid transparent;
border-bottom: 20px solid transparent;
}
#pointer:before {
content: "";
position: absolute;
right: -20px;
bottom:;
width:;
height:;
border-left: 20px solid red;
border-top: 20px solid transparent;
border-bottom: 20px solid transparent;
} #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;
}
by zhangxinxu from https://www.zhangxinxu.com/wordpress/?p=8386
3.css无缝滚动
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<style>
@-webkit-keyframes move
{
0%{
left:0;
}
100%
{
left:-500px;
}
}
#wrap{ width:500px;height:100px;border:1px solid #000; position:relative;margin:100px auto; overflow:hidden;}
#list{ position:absolute;left:0;top:0;margin:0;padding:0; -webkit-animation:3s move infinite linear; width:200%;}
#list li{ list-style:none;width:98px;height:98px;border:1px solid #fff;background:#000; color:#fff; font:50px/98px Arial; text-align:center; float:left;}
#wrap:hover #list{ -webkit-animation-play-state:paused;}
</style>
</head>
<body>
<div id="wrap">
<ul id="list">
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ul>
</div>
</body>
</html>
4.微信群聊天头像显示(伪元素布局)
by zhangxinxu from https://www.zhangxinxu.com/wordpress/?p=8540
5.max-height:更多显示与收起缓动效果
<div class="minHeight">
<input type="checkbox" id="checkbox">
<p class="elements">fhsagihiaoghoagifhsagihiaoghoagifhsagihiaoghoagifhsagi
hiaoghoagifhsagihiaoghoagifhsagihiaoghoagifhsagihiaoghoagifhsagihiaoghoagifhsagihiaoghoagifhs
agihiaoghoagifhsagihiaoghoagifhsagihiaoghoagifhsagihiaoghoagifhsagihiaoghoagi</p>
<label for="checkbox" class="inp-label label-in">更多</label>
<label for="checkbox" class="inp-label label-out">收起</label>
</div>
#checkbox {
opacity:;
position: absolute;
} .elements {
width: 50px;
max-height: 10px;
transition: 0.3s;
overflow: hidden;
word-break: break-all;
} :checked~.elements {
max-height: 500px;
} :checked~.label-in {
display: none;
} :checked~.label-out {
display: inline-block;
} .label-out {
display: none;
}
6.块状元素右对齐:margin-left:auto可以实现,不一定用float:right
7.弹窗背景毛玻璃现象,backdrop-filter:blur(5px);
by zhangxinxu from https://www.zhangxinxu.com/wordpress/2019/11/css-backdrop-filter/
8.响应式正方形样式 .box{width:25%;height:0;padding-bottom:25%;background:red;}
9.css实现下划线跟随导航栏移动
<div class="tabbar-box flex flexAlignCenter">
<div class="tab-item"><a href="/">首页</a></div>
<div class="tab-item"><a href="/">产品</a></div>
<div class="tab-item"><a href="/">价格</a></div>
<div class="tab-item"><a href="/">下载中心 </a</div>
<div class="tab-item"><a href="/">联系我们</a</div>
</div>
header .tabbar-box .tab-item{
padding: 0 20px;
position: relative;
font-size: 18px;
transition: 0.3;
flex-shrink:; }
header .tabbar-box .tab-item::after{
content:'/';
position: absolute;
display: block;
right:;
bottom: 5px;
}
header .tabbar-box .tab-item:last-child::after{
content:'';
}
header .tabbar-box .tab-item a{
transition: 0.3s;
display: block;
padding: 0 10px 5px;
position: relative;
}
header .tabbar-box .tab-item a::before{
position: absolute;
left: 100%;
top:;
border-bottom: 2px solid transparent;
width:;
height: 100%;
content: "";
transition: all 300ms;
}
header .tabbar-box .tab-item:hover a{
color: #cd651b;
} header .tabbar-box .tab-item:hover a::before{
left:;
top:;
z-index: -1;
border-bottom-color: #cd651b;
width: 100%;
transition-delay: 100ms;
}
header .tabbar-box .tab-item:hover + div a::before{
left:;
}
10.让CSS flex布局最后一行列表左对齐的N种方法 link:https://www.zhangxinxu.com/wordpress/2019/08/css-flex-last-align/
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