header,
main,
article,
nav,
section,
footer,
aside {
  display: block;
}

* {
  padding: 0;
  margin: 0;
}

html,
body {
  font-family: arial, sans-serif;
  font-size: 100%;
}

body {
  margin: 0 auto;
  width: 1500px;
  height: 800px;
}

body {
  margin-top: 5em;
}

#baustelle {
  text-align: center;
}

footer {
  margin-top: 1em;
}

footer h6 {
  text-align: right;
  font-size: 1em;
  background-color: green;
  color: white;
  padding-top: 10px;
  margin-right: 1em;
  height: 25px;
}

/* #####################################################
########################################################
######################################################*/

@media only screen and (max-width: 67.75em) /* @media only screen and (max-width: 62.75em) */ {
  * {
    padding: 0;
    margin: 0;
  }

  body {
    width: auto;
  }

  #baustelle {
    font-size: 0.6em;
    padding: 0.5em;
  }

  #bild_baustelle {
    width: 100%;
    height: auto;
  }

  footer {
    padding-left: 0.5em;
  }

  footer h6 {
    font-size: 1em;
  }
}

/* ********************************************************** */

@media only screen and (max-width: 62.75em) {
  * {
    padding: 0;
    margin: 0;
  }

  body {
    width: auto;
  }

  #baustelle {
    font-size: 0.6em;
    padding: 0.5em;
  }

  #bild_baustelle {
    width: 100%;
    height: auto;
  }

  footer {
    padding-left: 0.5em;
  }

  footer h6 {
    font-size: 1em;
  }
}