@font-face {
    font-family: "karbon-regular";
    src: url(karbon.otf);
  }
html {
    font-family: "karbon-regular";
    background: url(../images/bg.jpg) no-repeat center center fixed; 
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;   
}