body, html {
  /* img cover all page  */
  height: 100%;
  /* margin padding to Zero*/
  margin: 0;
  padding: 0;
}

.bgimg {
  /* bg image  */
  background: url(bgimg.jpg);
  /* full screen */
  height: 100%;
  /* center the bg imag  */
  background-position: center;
  /* scale and zoon in the img */
  background-size: cover;
  /* add position: relative to enable absultely position elements inside the img (place text) */
  position: relative;
  /* add a white text inside the bgimg container */
  color: #fff;
  /* add font */
  font-family: cursive;
}