body,ol,ul,h1,h2,h3,h4,h5,h6,p,th,td,dl,dd,form,fieldset,legend{margin:0;padding:0}
body {
  font-size: 13px;
  font-family: Microsoft YaHei, Verdana, Arial, Helvetica, sans-serif;
  color: #344b50;
  background: #fff;
  -webkit-text-size-adjust: 100%;
}
body, select, option, input {
  margin:0;
  padding:0;
  font-size: 13px;
  font-family: Microsoft YaHei, Verdana, Arial, Helvetica, sans-serif;
  color: #344b50;
  outline: none;
}
a{
  text-decoration:none;
  text-decoration: none;
  cursor: pointer;
  color: #3e34fc;
}
a:hover{
  text-decoration: underline;
}
em{font-style:normal}
li{list-style:none}
img{border:0;vertical-align:middle}
table{border-collapse:collapse;border-spacing:0}
p{word-wrap:break-word}

table{
  display: table;
  border-collapse: collapse;
  border-spacing: 0;
  border-color: grey;
}
thead {
  display: table-header-group;
  vertical-align: middle;
  border-color: inherit;
}
select:not(:-internal-list-box) {
  overflow: visible !important;
}
/*滚动条的宽度*/

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

/*外层轨道。可以用display:none让其不显示，也可以添加背景图片，颜色改变显示效果*/

::-webkit-scrollbar-track {
  width: 4px;
  background-color: #f4f4f4;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
}

/*滚动条的设置*/

::-webkit-scrollbar-thumb {
  background-color: #999;
  background-clip: padding-box;
  min-height: 28px;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
}

/*滚动条移上去的背景*/

::-webkit-scrollbar-thumb:hover {
  background-color: #999;
}
.none{
  display: none;
}
.block{
  display: none;
}