body {
   margin: auto;
   font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
 }

a {
  color: #00B7FF;
  text-decoration:none;
}
ul,li{
  list-style:none;
}
.cp{
  cursor:pointer;
}
.tac{
  text-align: center;
}
.tal{
  text-align: left;
}
.tar{
  text-align: right;
}
.fl{
  float: left;
}
.fr{
  float: right;
}
.oh{
  overflow: hidden;
}
.db{
  display: block;
}
.dib{
  display: inline-block;
}
.ma{
  margin: auto;
}