# css 实现炫酷丝带特殊标签效果
# 快速导航
# 双边丝带效果
距离高考还有10天
点击即可查看代码
html 代码
<div class="wrap">
<span>距离高考还有10天</span>
</div>
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css 代码
.wrap {
position: relative;
display: inline-block;
left: 50%;
top: 20px;
}
.wrap span {
position: relative;
z-index: 2;
display: inline-block;
padding: 0 15px;
height: 32px;
line-height: 32px;
background-color: #42b983;
color: #fff;
font-size: 16px;
box-shadow: 0 10px 6px -9px rgba(0, 0, 0, 0.6);
}
.wrap span::before,
.wrap span::after {
position: absolute;
bottom: -6px;
border-width: 3px 5px;
border-style: solid;
content: '';
}
.wrap span::before {
left: 0;
border-color: #42b983 #42b983 transparent transparent; // 上 右 下(透明) 左(透明)
}
.wrap span::after {
right: 0;
border-color: #42b983 transparent transparent #42b983;
}
.wrap::before,
.wrap::after {
position: absolute;
top: 6px;
content: '';
border-style: solid;
border-color: #42b983;
}
.wrap::before {
left: -32px;
border-width: 16px 26px 16px 16px; // 上 右 下 左
border-left-color: transparent; // 左边border的颜色透明
}
.wrap::after {
right: -32px;
border-width: 16px 16px 16px 26px;
border-right-color: transparent; // 右边brder颜色透明
}
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实现原理:绝对定位position:absolute,结合伪元素(::before,::after),边框border,制作三角形的原理,控制border的四个角的宽度,颜色,transparent透明
# 右边丝带效果
距离高考还有9天
点击即可查看代码
html 代码
<div class="wrap">
<span class="text">距离结束还有10天</span>
</div>
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css 代码
.wrap {
text-align: center;
}
.text {
position: relative;
display: inline-block;
padding: 0 15px;
height: 32px;
line-height: 32px;
background-color: #42b983;
color: #fff;
font-size: 16px;
}
.text::before {
position: absolute;
top: -4px;
left: 0;
border-width: 2px 4px;
border-style: solid;
border-color: transparent #42b983 #42b983 transparent;
content: '';
}
.text::after {
position: absolute;
top: 0;
right: -8px;
border-width: 16px 8px 16px 0;
border-style: solid;
border-color: #42b983 transparent #42b983 #42b983;
content: '';
}
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# 箭头丝带效果
距离高考还有8天
点击即可查看代码
html 代码
<div class="wrap">
<span class="text">距离高考还有10天</span>
</div>
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css 代码
.wrap {
text-align: center;
}
.text {
position: relative;
display: inline-block;
margin-right: 16px;
padding: 0 10px;
height: 32px;
line-height: 32px;
background-color: #42b983;
color: #fff;
font-size: 16px;
}
.text::before {
position: absolute;
top: 0;
left: -16px;
border-width: 16px 16px 16px 0;
border-style: solid;
border-color: transparent #42b983 transparent transparent;
content: '';
}
.text::after {
position: absolute;
top: 0;
right: -16px;
border-width: 16px 16px 16px 0;
border-style: solid;
border-color: #42b983 transparent #42b983 #42b983;
content: '';
}
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# 多个箭头丝带效果
距离高考还有8天 距离高考还有7天 距离高考还有6天
点击即可查看代码
<div class="wrap">
<span class="text">距离高考还有8天</span>
<span class="text">距离高考还有7天</span>
<span class="text">距离高考还有6天</span>
</div>
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css 代码与上面一致
# 悬挂标签
随笔川迹
itclanCoder
点击即可查看代码
html 代码
<div class="wrap">
<div class="left">
<span>随笔川迹</span>
</div>
<div class="right">
<span>itclanCoder</span>
</div>
</div>
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css 代码
.wrap {
position: relative;
background-color: #eee;
height: 200px;
}
.left {
width: 200px;
height: 140px;
position: absolute; // 绝对定位
top: -8px;
left: -8px;
overflow: hidden;
}
.left::before {
position: absolute;
left: 124px;
border-radius: 8px 8px 0 0; // 上 右 下 左
width: 16px;
height: 8px;
background-color: #42b983;
content: '';
}
.left::after {
position: absolute;
left: 0;
top: 124px;
border-radius: 0 8px 8px 0;
width: 8px;
height: 16px;
background-color: #42b983;
content: '';
}
.left span {
display: inline-block;
text-align: center;
width: 200px;
height: 40px;
line-height: 40px;
position: absolute;
top: 30px;
left: -50px;
z-index: 2;
overflow: hidden;
-ms-transform: rotate(-45deg);
-moz-transform: rotate(-45deg);
-webkit-transform: rotate(-45deg);
-o-transform: rotate(-45deg);
transform: rotate(-45deg);
border: 1px dashed #fff; // 虚线边框
box-shadow: 0 0 0 3px #42b983, 0 14px 7px -9px rgba(0, 0, 0, 0.6);
background-color: #42b983;
color: #fff;
}
.right {
width: 140px;
height: 200px;
position: absolute;
top: -8px;
right: -8px;
overflow: hidden;
}
.right::before {
position: absolute;
right: 124px;
border-radius: 8px 8px 0 0;
width: 16px;
height: 8px;
background-color: #42b983;
content: '';
}
.right::after {
position: absolute;
right: 0;
top: 124px;
border-radius: 0 8px 8px 0;
width: 8px;
height: 16px;
background-color: #42b983;
content: '';
}
.right span {
display: inline-block;
text-align: center;
width: 200px;
height: 40px;
line-height: 40px;
position: absolute;
top: 30px;
right: -50px;
z-index: 2;
overflow: hidden;
-ms-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-webkit-transform: rotate(45deg);
-o-transform: rotate(45deg);
transform: rotate(45deg);
border: 1px dashed #fff;
box-shadow: 0 0 0 3px #42b983, 0 14px 7px -9px rgba(0, 0, 0, 0.6);
background-color: #42b983;
color: #fff;
}
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实现原理: 伪元素::before,::after结合绝对定位position: absolute,以及 css3 中的变换transform,rotate旋转
关于伪元素的可参考:css 中的伪类与伪元素
