526互联

CSS常用总结

发布时间 2023-10-09 11:00:51作者: songxia777

重置样式

html, body, ul, li, a, p, div {
  padding: 0;
  margin: 0;
  // 设置盒模型
  box-sizing: border-box;
  // 移除移动端特有的点击高亮效果
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica", "Helvetica Neue", "Tahoma", "Arial", "sans-serif";
  font-size: 14px;
}

a, a:hover {
  color: #222;
  text-decoration: none;
  transition-duration: .3s;
}

ul {
  list-style: none;
}

input {
  outline: none;
}
// 清除浮动
.clearfix:after, .clearfix:before {
  content: '';
  display: block;
  height: 0;
  line-height: 0;
  clear: both;
  visibility: hidden;
}

多余的文字显示...(默认一行)

@mixin ellipsisTxt($line:1) {
  text-overflow: ellipsis;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: $line;
}

遮罩层

@mixin coverMask {
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  position: fixed;
  top: 0;
  left: 0;
}

关闭按钮，默认是16px

@mixin commonCloseStyle($width:16px) {
  position: absolute;
  width: $width;
  height: $width;
  right: calc(#{$width}/2);
  top: calc(#{$width}/2);
  background: transparent;
  cursor: pointer;

  &:after,
  &:before {
    content: "\a0";
    position: absolute;
    transition: .3s;
    background: #bbb;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
  }
  &:before {
    left: 0;
    top: calc(#{$width}/2);
    width: $width;
    height: 1px;
  }

  &:after {
    top: 0;
    left: calc(#{$width}/2);
    width: 1px;
    height: $width;
  }
  &:hover:after,
  &:hover:before {
    transition: .3s;
    -webkit-transform: rotate(225deg);
    transform: rotate(225deg);
  }
}

滚动条

@mixin scrollStyle($height:400px) {
  height: $height;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  // 滚动条宽
  &::-webkit-scrollbar {
    width: 4px;
    border-radius: 10px;
  }
  // 滚动条 背景槽
  &::-webkit-scrollbar-track {
    border-radius: 10px;
    background-color: #C1CAD2;
  }
  // 滚动条 拖动条
  &::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: #889098;
  }
}

垂直居中显示

@mixin centerBlock {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

设置对象 变大变小

.btnKaihu {
  width: 405px;
  height: 112px;
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-animation: bouncedelay 1.2s infinite;
  animation: bouncedelay 1.2s infinite;
}
    
@keyframes bouncedelay {
  0%,
  80%,
  100% {
    transform: scale(0.8);
    -webkit-transform: scale(0.8);
  }
  40% {
    transform: scale(1.0);
    -webkit-transform: scale(1.0);
  }
}

遮罩层 内容垂直水平居中 显示

1. html设置
<div class="dialog_module">
  <div class="contArea">
    <div class="content">内容显示</div>
    <img src="/template/web/skin/default/images/close.png" class="btnClose">
  </div>
</div>

2. scss样式设置
.dialog_module {
  width: 100%;
  height: 100%;
  background: #00000060;
  position: fixed;
  z-index: 10;

  .contArea {
    width: 300px;
    height: 300px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    border-radius: 6px;

    .content {
      font-size: 30px;
    }

    .btnClose {
      width: 40px;
      height: 40px;
      cursor: pointer;
      position: absolute;
      right: -60px;
      top: 0;
    }
  }
}

image

图片onerror设置

<img src="" onerror="this.src='/template/web/skin/default/images/errorImg.png'">

css样式修改背景图

&:hover {
    img {
        content: url("/skin/default/images/default.svg");
    }
}