重置css样式库，内嵌normalize.css v8.0.1

ss.common.css npm仓库地址

1. 下载引用:
  ```js
    npm install ss.common.css -D
    import 'ss.common.css/index.css'
    // 已自带引入：normalize.css: 8.0.1
  ```

2. 类名：
  ```css
  .block {
    display: block;
  }
  .inline-block {
    display: inline-block;
  }
  .inline {
    display: inline;
  }
  .flex {
    display: flex;
  }
  .flex-1 {
    flex: 1;
  }
  .flex-row {
    flex-direction: row;
  }
  .flex-column {
    flex-direction: column;
  }
  .flex-wrap {
    flex-wrap: wrap;
  }
  .flex-nowrap {
    flex-wrap: nowrap;
  }
  .justify-content-start {
    justify-content: flex-start;
  }
  .justify-content-center {
    justify-content: center;
  }
  .justify-content-end {
    justify-content: flex-end;
  }
  .justify-content-baseline {
    justify-content: baseline;
  }
  .align-items-start {
    align-items: flex-start;
  }
  .align-items-center {
    align-items: center;
  }
  .align-items-end {
    align-items: flex-end;
  }
  .w100 {
    width: 100%;
  }
  .h100 {
    height: 100%;
  }
  .flex-shrink-0 {
    flex-shrink: 0;
  }
  .border-radius-2 {
    border-radius: 2px;
  }
  .border-radius-4 {
    border-radius: 4px;
  }
  .border-radius-6 {
    border-radius: 6px;
  }
  .border-radius-8 {
    border-radius: 8px;
  }
  .border-radius-half {
    border-radius: 50%;
  }
  .border-radius-circular {
    border-radius: 50000px;
  }
  .border {
    border: 1px solid #dcdfe6;
  }
  .border-right {
    border-right: 1px solid #dcdfe6;
  }
  .border-top {
    border-top: 1px solid #dcdfe6;
  }
  .border-bottom {
    border-bottom: 1px solid #dcdfe6;
  }
  .border-left {
    border-left: 1px solid #dcdfe6;
  }
  .disabled-cursor {
    cursor: not-allowed;
  }
  .text-default {
    color: #606266;
  }
  .text-white {
    color: white;
  }
  .text-primary {
    color: #409eff;
  }
  .bg-primary {
    background: #409eff;
  }
  .bg-white {
    background: white;
  }
  .bg-success {
    background: #67c23a;
  }
  .bg-info {
    background: #909399;
  }
  .bg-warning {
    background: #e6a23c;
  }
  .bg-danger {
    background: #f56c6c;
  }
  .font-weight-bold {
    font-weight: bold;
  }
  .font-weight-normal {
    font-weight: normal;
  }
  .box-shadow-basic {
    box-shadow: 0px 12px 32px 4px rgba(0, 0, 0, 0.04), 0px 8px 20px rgba(0, 0, 0, 0.08);
  }
  .box-shadow-light {
    box-shadow: 0px 0px 12px rgba(0, 0, 0, 0.12);
  }
  .box-shadow-lighter {
    box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.12);
  }
  .box-shadow-dark {
    box-shadow: 0px 16px 48px 16px rgba(0, 0, 0, 0.08), 0px 12px 32px;
  }
  .box-sizing{
    box-sizing: border-box;
  }
  .fixed{
    position: fixed;
  }
  .absolute{
    position:absolute;
  }
  .relative{
    position:relative;
  }
  .overflow-y-auto{
    overflow-y: auto;
  }
  .overflow-y-hidden{
    overflow-y: hidden;
  }
  .overflow-x-auto{
    overflow-x: auto;
  }
  .overflow-x-hidden{
    overflow-x: hidden;
  }
  .overflow-auto{
    overflow: auto;
  }
  .overflow-hidden{
    overflow: hidden;
  }
  .text-align-center{
    text-align: center;
  }
  .text-align-left{
    text-align: left;
  }
  .text-align-right{
    text-align: right;
  }
  .reset-scrollba::-webkit-scrollbar {
    width: 4px;
    height: 4px;
    background-color: transparent;
  }
  /*滚动条的轨道*/
  .reset-scrollbar::-webkit-scrollbar-track {
    background-color: transparent;
  }
  /*滚动条的滑块按钮*/
  .reset-scrollba::-webkit-scrollbar-thumb {
    border-radius: 0;
    background-color: rgba(0, 0, 0, 0.04);
    box-shadow: inset 0 0 2px rgba(0, 0, 0, 0.04);
  }
  /*滚动条的上下两端的按钮*/
  .reset-scrollba::-webkit-scrollbar-button {
    height: 0;
    background-color: transparent;
  }
  ```