* {
  margin: 0;
  padding: 0; 
}

/* Icon 1 */

#bmenu {
  width: 20px;
  position: fixed;
  left: 0;
  top: 1.5rem;
  margin-left: 2rem;
  height: 18px;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: .5s ease-in-out;
  -moz-transition: .5s ease-in-out;
  -o-transition: .5s ease-in-out;
  transition: .5s ease-in-out;
  cursor: pointer;
}

#bmenu span {
  display: block;
  position: absolute;
  height: 2px;
  width: 100%;
  background: #e6e6e6;
  border-radius: 9px;
  opacity: 1;
  left: 0;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: .25s ease-in-out;
  -moz-transition: .25s ease-in-out;
  -o-transition: .25s ease-in-out;
  transition: .25s ease-in-out;
}

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

#bmenu span:nth-child(2),#bmenu span:nth-child(3) {
  top: 7px;
}

#bmenu span:nth-child(4) {
  top: 14px;
}

#bmenu.open span:nth-child(1) {
  top: 18px;
  width: 0%;
  left: 50%;
}

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

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

#bmenu.open span:nth-child(4) {
  top: 18px;
  width: 0%;
  left: 50%;
}