/*

gefunden auf 
http://elijahmanor.com/css-animated-hamburger-icon/

Pfeilsymbole auf
https://websitebuilders.com/tools/html-codes/arrows/

*/

/*body { background-color: black; height: 100%; }*/
/*h3 { color: white; }*/
#nav-toggle { position: absolute; left: 3px; top: 1px; }

#nav-toggle { cursor: pointer; padding: 10px 70px 16px 0px; }
#nav-toggle span, #nav-toggle span:before, #nav-toggle span:after {
  cursor: pointer;
  border-radius: 1px;
  height: 3px;
  width: 18px;
  background: black;
  position: absolute;
  display: block;
  content: '';
}
#nav-toggle span:before {
  top: -5px; 
}
#nav-toggle span:after {
  bottom: -5px;
}

#nav-toggle span, #nav-toggle span:before, #nav-toggle span:after {
  transition: all 500ms ease-in-out;
}
#nav-toggle.active span {
  background-color: transparent;
}
#nav-toggle.active span:before, #nav-toggle.active span:after {
  top: 0;
}
#nav-toggle.active span:before {
  transform: rotate(45deg);
}
#nav-toggle.active span:after {
  transform: rotate(-45deg);
}