* {
  margin: 0;
  padding: 0;
}

/* Icon 1 23*/

#nav-icon3 {
  width: 35px;
  height: 35px;
  top: 0;
  left: 0;

  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);

  cursor: pointer;
  margin-top: 10px;
  margin-right: 10px;
}

#nav-icon3 span {
  display: block;
  position: absolute;
  height: 2px;
  width: 35px;
  background: #000;
  opacity: 1;
  margin: 0;

  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);

}

/* Icon 3 */

#nav-icon3 span:nth-child(1) {
  top: 0px;
}

#nav-icon3 span:nth-child(2),#nav-icon3 span:nth-child(3) {
  top: 8px;
}

#nav-icon3 span:nth-child(4) {
  top: 16px;
}

#nav-icon3.open span:nth-child(1) {
  top: 8px;
  width: 0%;
  left: 0;
}

#nav-icon3.open span:nth-child(2) {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

#nav-icon3.open span:nth-child(3) {
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
}

#nav-icon3.open span:nth-child(4) {
  top: 8px;
  width: 0%;
  left: 0;
}