html {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
*, *:before, *:after {
  -webkit-box-sizing: inherit;
  -moz-box-sizing: inherit;
  box-sizing: inherit;

  height: 100%;
  width: 100%;

  margin: 0;
  padding: 0 ;
}

ul {
    list-style: none;
}