html { 
  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;
}

a{color:white; text-decoration: none;}

.wrapper {
  margin-right: auto; /* 1 */
  margin-left:  auto; /* 1 */

  max-width: 680px; /* 2 */
  min-width: 320px; /* 2 */
    
  padding-right: 10px; /* 3 */
  padding-left:  10px; /* 3 */
}

p{font-size: 2.1em;}

h1{font-size: 3.8em; color: white;}

iframe{overflow: hidden; margin: 2px;}