html代码，想要看那个css样式就用对应的className
<div class="box1"><h1>css回退样式</h1></div>
<button class="yes">YES!</button>
<button class="ok">OK!</button>
<button class="cancel">Cancel!</button>
<div>
<ul>
<li>hello</li>
<li>world</li>
<li>!!!</li>
</ul>
<ol>
<li>hello</li>
<li>world</li>
<li>!!!</li>
</ol>
</div>
<div class="box2">
半透明边框
</div>
<div class="box3">
多重边框
</div>
<div class="box4">
内圆角
</div>
<div class="box5">
条纹背景
</div>
<div class="box6">
格子背景的实现
</div>
<div class="box7">
信封背景
</div>
<div class="box8">
蚂蚁行军边框
</div>
<div class="box9">
椭圆圆角
</div>
<div class="box10">
使用伪元素创建平行四边形
</div>
<div class="box11">
<img src="cat.jpeg" alt="">
</div>
<div class="box12">
切角效果
</div>
<div class="box13">
目前看不出什么效果
连字效果:hello my name is kangkang,welcome to China!
</div>
<div class="box14">
<a href="">文字外发光效果</a>
</div>
css代码
.box1 {
height: 25em;
width: 20em;
background: rgb(255, 128, 0);
background: -moz-linear-gradient(0deg, yellow, red);
background: -o-linear-gradient(0deg, yellow, red);
background: -webkit-linear-gradient(0deg, yellow, red);
background: linear-gradient(90deg, yellow, red);
float: left;
}
h1 {
color: gray;
}
@supports (text-shadow: 0 0 .3em gray) {
h1 {
color: transparent;
text-shadow: 0 0 .3em gray;
}
}
button {
padding: .3em .8em;
border: 1px solid rgba(0,0,0,.1);
background: #58a linear-gradient(hsla(0,0%,100%,.2),transparent);
border-radius: .2em;
box-shadow: 0 .05em .25em rgba(0,0,0,.5);
color: white;
text-shadow: 0 -.05em .05em rgba(0,0,0,.5);
font-size: 125%;
line-height: 1.5;
}
button.ok {
background-color: #6b0;
}
button.cancel {
background-color: #c00;
}
ul { --accent-color: purple; }
ol { --accent-color: rebeccapurple; }
li { background: var(--accent-color); }
.box2 {
width: 10em;
height: 8em;
float: left;
border: 10px solid hsla(0,0%,100%,.5);
background-clip: padding-box;
margin: 2em;
}
.box3 {
width: 10em;
height: 8em;
background: yellowgreen;
box-shadow: 0 0 0 10px #655,
0 0 0 15px deeppink,
0 2px 5px 15px rgba(0,0,0,.6);
float: left;
margin: 2em;
}
.box4 {
width: 10em;
height: 8em;
background: tan;
border-radius: .8em;
padding: 1em;
box-shadow: 0 0 0 .6em #655;
outline: .6em solid #655;
float: left;
}
.box5 {
width: 10em;
height: 8em;
float: left;
margin: 2em;
background: linear-gradient(45deg,
#fb3 25%, #58a 0, #58a 50%,
#fb3 0, #fb3 75%, #58a 0);
background-size: 30px 30px;
}
.box6 {
width: 10em;
height: 8em;
float: left;
background: #655;
background-image: radial-gradient(tan 30%, transparent 0),
radial-gradient(tan 30%, transparent 0);
background-size: 30px 30px;
background-position: 0 0, 15px 15px;
}
.box7 {
width: 10em;
height: 8em;
float: left;
padding: 1em;
border: 1em solid transparent;
background: linear-gradient(white, white) padding-box,
repeating-linear-gradient(-45deg,
red 0, red 12.5%,
transparent 0, transparent 25%,
#58a 0, #58a 37.5%,
transparent 0, transparent 50%)
0 / 5em 5em;
}
@keyframes ants { to { background-position: 100% } }
.box8 {
width: 10em;
height: 8em;
float: left;
margin: 2em;
padding: 1em;
border: 1px solid transparent;
background:
linear-gradient(white, white) padding-box,
repeating-linear-gradient(-45deg,
black 0, black 25%, white 0, white 50%
) 0 / .6em .6em;
animation: ants 12s linear infinite;
}
.box9 {
width: 10em;
height: 8em;
float: left;
background: blue;
border-radius: 50% / 50%;
}
.box10 {
width: 10em;
height: 8em;
float: left;
position: relative;
}
.box10::before {
margin-left: 2em;
content: ''; /* 用伪元素来生成一个矩形 */
position: absolute;
top: 0; right: 0; bottom: 0; left: 0;
z-index: -1;
background: #58a;
transform: skew(45deg);
}
.box11 {
margin-left: 5em;
width: 10em;
height: 8em;
float: left;
}
img {
clip-path: polygon(50% 0, 100% 50%,
50% 100%, 0 50%);
transition: 1s clip-path;
}
img:hover {
clip-path: polygon(0 0, 100% 0,
100% 100%, 0 100%);
}
.box12 {
width: 10em;
height: 8em;
float: left;
margin-left: 2em;
background: #58a;
background:
linear-gradient(-45deg, transparent 15px, #58a 0)
right,
linear-gradient(45deg, transparent 15px, #655 0)
left;/* 若使用径向渐变radial-gradient()就是变成弧形切角 */
background-size: 50% 100%; /*背景大小，第一个是宽度，第二个是高度 */
background-repeat: no-repeat;
}
.box13 {
margin-top: 3em;
width: 10em;
height: 8em;
margin-left: 2em;
font-variant-ligatures: common-ligatures
discretionary-ligatures
historical-ligatures;
float: left;
}
.box14 {
width: 10em;
height: 8em;
margin-left: 3em;
background: #203;
color: #ffc;
text-shadow: 0 0 .1em, 0 0 .3em;
float: left;
}
.box14 a {
background: #203;
color: white;
transition: 1s;
}
.box14 a:hover {/*:hover 状态下把文字本身隐藏掉，那它看起来真的就像在慢慢变模糊*/
color: transparent;
text-shadow: 0 0 .1em white, 0 0 .3em white;
}
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