*{
  margin: 0px;
  padding: 0px;
}
html,body{
  width: 100%;
  height: 100%;
}
html{

}
body{

  background: #f5f5f5;
  overflow: auto;
}
a{
  text-decoration: none;
}
li{
  list-style: none;
}
img{
  border: none;
}