body {
  font: normal 100% ;
}
body,p,h1,h2,h3{
  margin: 0;
  padding: 0;
}
ul,li{
  list-style: none;
  padding: 0;
  margin: 0;
}
a{
  text-decoration: none;
}
/*滚动条样式*/
::-webkit-scrollbar {
    width: 4px;
    height: 6px;
}
::-webkit-scrollbar-thumb {
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
    background: rgba(0,0,0,0.2);
}
::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
    border-radius: 0;
    background: rgba(0,0,0,0.1);
}