body {
  font-family:Trebuchet MS,Tahoma,Verdana,Arial,sans-serif, -apple-system, /*"Helvetica",*/
  "Microsoft YaHei", "Arial", /*"Lucida Family",*/
  /*"Verdana",*/
  /*"Tahoma",*/
  /*"Trebuchet MS",*/
  /*"Segoe UI Emoji",*/
  /*"webfont",*/
  /*"Segoe UI Symbol",*/
  "Noto Color Emoji" !important;
  font-size: 0.9rem;
  background-image: url("/pageBackgorundImage.gif");
}

article {
  min-height: 100%;
}

.header-to-nav {
  margin-top: 10px;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.middle {
  margin: 0 auto;
}

.text-middle {
  text-align: center;
}

.ofh {
  overflow: hidden;
  margin-top: 20px;
}

/* 滚动条 */

.scroll-style::-webkit-scrollbar-thumb:horizontal {
  /*水平滚动条的样式*/
  width: 4px;
  background-color: #CCCCCC;
  -webkit-border-radius: 6px;
}

.scroll-style::-webkit-scrollbar-track-piece {
  background-color: #fff;
  /*滚动条的背景颜色*/
  -webkit-border-radius: 0;
  /*滚动条的圆角宽度*/
}

.scroll-style::-webkit-scrollbar {
  width: 10px;
  /*滚动条的宽度*/
  height: 8px;
  /*滚动条的高度*/
}

.scroll-style::-webkit-scrollbar-thumb:vertical {
  /*垂直滚动条的样式*/
  height: 50px;
  background-color: #999;
  -webkit-border-radius: 4px;
  outline: 2px solid #fff;
  outline-offset: -2px;
  border: 2px solid #fff;
}

.scroll-style::-webkit-scrollbar-thumb:hover {
  /*滚动条的hover样式*/
  height: 50px;
  background-color: #9f9f9f;
  -webkit-border-radius: 4px;
}

.alert-center-sm {
  position: absolute !important;
  top: 10%;
  right: 10%;
  left: 10%;
}

.alert-center-lg {
  position: absolute !important;
  top: 10%;
  right: 10%;
  left: 10%;
}

.noselect {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.link {
  padding: 0.2rem 0rem;
  display: inline-block;
}

.link:hover {
  text-decoration: none;
  margin-left: 1rem;
  transition: margin-left 0.5s;
  -webkit-transition: margin-left 0.5s;
}

.link:active {
  color: #8a8a8a;
  text-shadow: 0px 0px 2px #333;
}