1. 如何隐藏滚动条
// chrome 和Safari
*::-webkit-scrollbar { width: 0 !important }
// IE 10+
* { -ms-overflow-style: none; }
// Firefox
* { overflow: -moz-scrollbars-none; }
2. 修改滚动条样式
*::-webkit-scrollbar {
width: 12px!important;
height: 12px!important;
}
*::-webkit-scrollbar-thumb {
border-radius: 16px;
background-color:#c1c1c1;
transition: background-color 0.3s;
&:hover {
background: #bbb;
}
}
*::-webkit-scrollbar-track {
background: #f1f1f1;
}
3. 修改input框placeholder的颜色
input::input-placeholder{
color:red;
}
4. 按钮不可点击的样式
cursor: not-allowed
5. CSS鼠标指针事件：阻止任何JS事件
.disabled { pointer-events: none; }
6. 文字超出强制n行 超出部分用省略号代替
div {
overflow: hidden;
text-overflow: ellipsis;
display: -webkit-box;
-webkit-line-clamp: n; // 行数
-webkit-box-orient: vertical;
}
7. 修改字体间距
letter-spacing: 8px
8. 谷歌浏览器控制台提示/deep/将要被移除
<style scoped lang="less">
@deep: ~'>>>';
.select {
@{deep} .ivu-card-body {
width: 100%;
}
}
</style>
9. animate动画停在某个关键帧
animation-fill-mode: forwards;
10. 盒子阴影
box-shadow: 0 2px 2px rgba(10,16,20,.24),0 0 2px rgba(10,16,20,.12);
transition: box-shadow .5s;
11.使图片覆盖它的整个容器
img {
object-fit: cover;
}
12. 表格中td的内容自动换行
<table style="word-break:break-all; word-wrap:break-all;">
13. 浏览器打印功能 图片失效
body {
-webkit-print-color-adjust: exact;
}
14. 背景图像完美适配视口
body {
background-image: url('xxx');
background-repeat: no-repeat;
background-position: center;
background-attachment: fixed;
background-size: cover;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
}
15. 如何使用多个背景图片
body {
background-image: url('xxx'), url('xxx');
background-position: center, top;
background-repeat: repeat, no-repeat;
background-size: contain, cover;
}
16. 如何给背景图叠加渐变
body {
background-image:
linear-gradient(
4deg,
rgba(38,8,31,0.75) 30%,
rgba(213,49,127,0.3) 45%,
rgba(232,120,12,0.3) 100%),
url("xxx");
background-size: cover;
background-repeat: no-repeat;
background-attachment: fixed;
background-position: center
}
17. 如何将背景图设为文本颜色
<body>
<h1>hello!!!</h1>
</body>
body {
display: flex;
align-items: center;
justify-content: center;
flex-direction: column;
width: 100%;
text-align: center;
min-height: 100vh;
font-size: 120px;
}
h1 {
background-image: url("xxx");
background-clip: text;
-webkit-background-clip: text;
color: transparent;
}
18. 如何获取和设置盒子的宽高
dom.style.width/height
dom.currentStyle.width/height
dom.getComputedStyle(Dom).width/height
dom.getBoundingClientRect().width/height
19. 如何让图片垂直居中
img {
vertical-align: middle;
margin-top: -xpx;
}
20. 消除图片自带的间距
img {
display: block;
}
// 或者 父盒子
div {
font-size: 0;
}
