#left-part-mobile {
  display: none;
}
#menu {
  z-index: 100;
}

#menu-bar {
  width: 45px;
  height: 40px;
  margin: 30px 0 20px 20px;
  cursor: pointer;
}

.bar {
  height: 5px;
  width: 100%;
  background-color: white;
  display: block;
  border-radius: 5px;
  transition: 0.3s ease;
}

#bar1 {
  transform: translateY(-4px);
}

#bar3 {
  transform: translateY(4px);
}

.nav {
  transition: 0.3s ease;
  display: none;
}

.nav ul {
  padding: 0 22px;
}

.nav li {
  list-style: none;
  padding: 12px 0;
}

.nav li a {
  color: white;
  font-size: 20px;
  text-decoration: none;
}

.nav li a:hover {
  font-weight: bold;
}

.menu-bg,
#menu {
  top: 15px;
  left: 100px;
  position: absolute;
}

.menu-bg {
  z-index: 1;
  width: 0;
  height: 0;
  margin: 30px 0 20px 20px;
  /* background: radial-gradient(circle, #bf5700, #e3ccae); */
  background: linear-gradient(#262a56, #3a98b9);
  border-radius: 50%;
  transition: 0.3s ease;
}

.change {
  display: block;
}

.change .bar {
  background-color: white;
}

.change #bar1 {
  transform: translateY(4px) rotateZ(-45deg);
}

.change #bar2 {
  opacity: 0;
}

.change #bar3 {
  transform: translateY(-6px) rotateZ(45deg);
}

.change-bg {
  width: 520px;
  height: 380px;
  transform: translate(-60%, -30%);
}

/* .left-part-nav {
  display: none;
} */

@media only screen and (min-width: 1500px) {
  .menu-bg,
  #menu {
    left: 200px;
  }
}

@media only screen and (min-width: 2200px) {
  .menu-bg,
  #menu {
    left: 250px;
  }
}
@media only screen and (max-width: 600px) {
  .left-part-nav {
    display: none;
  }
  #left-part-mobile {
    display: flex;
    float: left;
  }
  .menu-bg,
  #menu {
    left: 30px;
  }
}