html { 
  background: url(pist.jpg) no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
}

.container , .container a{
  font-family: tahoma;
  font-size: 20pt;
  color: #70f0f0;
  margin: 20px;
  width: 40%;
}