@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap");

 
  

#hamburger-icon {
  margin: auto 0;
  display: none;
  cursor: pointer;
}

#hamburger-icon div {
  width: 35px;
  height: 3px;
  background-color: white;
  margin: 6px 0;
  transition: 0.4s;
}

.open .bar1 {
  -webkit-transform: rotate(-45deg) translate(-6px, 6px);
  transform: rotate(-45deg) translate(-6px, 6px);
}

.open .bar2 {
  opacity: 0;
}

.open .bar3 {
  -webkit-transform: rotate(45deg) translate(-6px, -8px);
  transform: rotate(45deg) translate(-6px, -8px);
}

.open .mobile-menu {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 50px;
  left: 0;
  height: calc(100vh - 50px);
  width: 100%;
}

.mobile-menu li {
  margin-bottom: 10px;
}

@media only screen and (max-width: 600px) {
  header nav {
    display: none;
  }

  #hamburger-icon {
    display: block;
  }
}