通用css和sass样式汇总

// 当超过宽度时，显示省略号
@mixin ell() {
  overflow: hidden;
  -ms-text-overflow: ellipsis;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
}
// 当超过n行时，显示省略号
@mixin elln($n) {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: $n;
}
// 清除浮动
.clearfix {
  & after {
    display: table;
    clear: both;
    content: "";
  }
}
// 垂直居中 未知父元素高度 父元素需position: relative;
@mixin cj1 {
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto;
}

@mixin cj2 {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  -ms-transform: translateY(-50%); /* IE 9 */
  -moz-transform: translateY(-50%); /* Firefox */
  -webkit-transform: translateY(-50%); /* Safari 和 Chrome */
  -o-transform: translateY(-50%); /* Opera */
}

@mixin cjf {
  display: flex; /*谷歌，火狐等新版本*/
  display: -webkit-box; /*安卓低版本*/
  display: -moz-box; /*火狐低版本*/
  display: -ms-flexbox; /*IE版本*/
  display: -webkit-flex; /*谷歌*/
  align-items: center;
  -webkit-box-align: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
}

@mixin sj1 {
  position: absolute;
  left: 0;
  right: 0;
  margin: auto;
}
@mixin sj2 {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  -ms-transform: translateX(-50%); /* IE 9 */
  -moz-transform: translateX(-50%); /* Firefox */
  -webkit-transform: translateX(-50%); /* Safari 和 Chrome */
  -o-transform: translateX(-50%); /* Opera */
}
@mixin sjf {
  display: flex; /*谷歌，火狐等新版本*/
  display: -webkit-box; /*安卓低版本*/
  display: -moz-box; /*火狐低版本*/
  display: -ms-flexbox; /*IE版本*/
  display: -webkit-flex; /*谷歌*/
  justify-content: center;
  -webkit-box-pack: center;
  -moz-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
}

// 清除默认样式开始
html,
body {
  height: 100%;
}
html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
div,
dl,
dt,
dd,
ul,
ol,
li,
p,
blockquote,
pre,
hr,
figure,
table,
caption,
th,
td,
form,
fieldset,
legend,
input,
button,
textarea,
menu {
  margin: 0;
  padding: 0;
}
header,
footer,
section,
article,
aside,
nav,
hgroup,
address,
figure,
figcaption,
menu,
details {
  display: block;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
caption,
th {
  text-align: left;
  font-weight: normal;
}
html,
body,
fieldset,
img,
iframe,
abbr {
  border: 0;
}
i,
cite,
em,
var,
address,
dfn {
  font-style: normal;
}
[hidefocus],
summary {
  outline: 0;
}
li {
  list-style: none;
}
h1,
h2,
h3,
h4,
h5,
h6,
small {
  font-size: 100%;
}
sup,
sub {
  font-size: 83%;
}
pre,
code,
kbd,
samp {
  font-family: inherit;
}
q:before,
q:after {
  content: none;
}
textarea {
  overflow: auto;
  resize: none;
}
label,
summary {
  cursor: default;
}
a,
button {
  cursor: pointer;
}
h1,
h2,
h3,
h4,
h5,
h6,
em,
strong,
b {
  font-weight: bold;
}
del,
ins,
u,
s,
a,
a:hover {
  text-decoration: none;
}
body,
textarea,
input,
button,
select,
keygen,
legend {
  font: 12px/1.14 Microsoft YaHei, arial, \5b8b\4f53;
  color: #333;
  outline: 0;
}
body {
  background: #fff;
}
a,
a:hover {
  color: #333;
}
* {
  box-sizing: border-box;
}
// 清除默认样式结束
// 滚动条美化
@media screen and (min-width: 768px) {
    ::-webkit-scrollbar {
        width: 8px;
        height: 9px;
        background: transparent;
    }

    ::-webkit-scrollbar-track {
        background: transparent;
    }

    ::-webkit-scrollbar-thumb {
        border-radius: 5px;
        background-color: #C1C1C1;
    }

    ::-webkit-scrollbar-thumb:hover {
        background-color: #A8A8A8;
    }

    /* 小型尺寸 */
    .mini-bar::-webkit-scrollbar {
        width: 5px;
        height: 5px;
    }

    .mini-bar::-webkit-scrollbar-thumb {
        border-radius: 3px;
    }
}