# 常用css

# 单文本溢出

text-overflow: ellipsis;
overflow: hidden;
white-space: nowrap;
 
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# 多文本溢出

overflow: hidden;
text-overflow: ellipsis;
display: -webkit-box; /* 作为弹性伸缩盒子模型显示。 */
-webkit-box-orient: vertical;/* 设置伸缩盒子的子元素排列方式--从上到下垂直排列 */
-webkit-line-clamp: 2; /* 显示的行 */
 
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# 强制不换行

white-space:nowrap;
 
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# 自动换行

word-wrap:break-word;
 
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# 强制英文单词断行

word-break:break-all;
 
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# 字符超出部分换行

overflow-wrap: break-word;
 
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# 字符超出位置使用连字符-

hyphens: auto;
 
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# 右箭头

&::after{
    position: absolute;
    right: 20px;
    top: 50%;
    content: '';
    width: 10px;
    height: 10px;
    border: 1px solid #BF1B21;
    border-color: #BF1B21 #BF1B21 transparent transparent;
    transform: translateY(-50%) rotate(45deg);
}
 
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# 三角形

.triangle{
  display:inline-block;
  width:0;
  height:0;
  overflow:hidden;
  line-height:0;
  font-size:0;
  vertical-align:middle;
  border: 7px solid #ccc;
  border-color: #ccc transparent transparent transparent;
}
 
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# 1px 边框解决方案

# 设置单条底部边框：

.scale-1px-bottom {
    position: relative;
    border:none;
}
.scale-1px-bottom::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    background: #000;
    width: 100%;
    height: 1px;
    -webkit-transform: scaleY(0.5);
    transform: scaleY(0.5);
    -webkit-transform-origin: 0 0;
    transform-origin: 0 0;
}
 
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# 同时设置 4 条边框：

.scale-1px {
    position: relative;
    margin-bottom: 20px;
    border:none;
}
.scale-1px::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    border: 1px solid #000;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    width: 200%;
    height: 200%;
    -webkit-transform: scale(0.5);
    transform: scale(0.5);
    -webkit-transform-origin: left top;
    transform-origin: left top;
}
 
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# css渲染图片时放大或缩小图片变模糊处理方式

img{
    image-rendering: -moz-crisp-edges;
    image-rendering: -o-crisp-edges;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    -ms-interpolation-mode: nearest-neighbor;
}
 
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# 边框hover动画效果

// 边框hover动画效果
.border-hover {
  &::before,
  &::after {
    position: absolute;
    top: -1px;
    right: -1px;
    bottom: -1px;
    left: -1px;
    z-index: 1;
    transition: all .35s ease 0s;
    content: "";
  }

  &::before {
    border-right: 1px solid $color-FF5A5F;
    border-left: 1px solid $color-FF5A5F;
    transform: scale(1, 0);
  }

  &::after {
    border-top: 1px solid $color-FF5A5F;
    border-bottom: 1px solid $color-FF5A5F;
    transform: scale(0, 1);
  }

  &:hover {
    &::after,
    &::before {
      opacity: 1;
      transition: all .35s ease 0s;
      transform: scale(1);
    }
  }
}
 
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