html {
  box-sizing: border-box;
}

*, *:before, *:after {
  box-sizing: inherit;
}

body, h1, h2, h3, h4, h5, h6, p, ol, ul {
  margin: 0;
  padding: 0;
  font-weight: normal;
}

ol, ul {
    padding: 0.5em;
}

li {
    padding-top: 0.2em;
    padding-bottom: 0.2em;
}

img {
  max-width: 100%;
  height: auto;
}

html {
  background: url(background.jpg) no-repeat fixed; 
  background-position: 10% 50%;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  height: 95%
}