.BurgerMenu {
  width: 60px;
  height: 60px;
  background-color: var(--clr-secondary);
  color: #ffffff;
  cursor: pointer;
}.BurgerMenu.is-Active {
    border-radius: 50%;
    color: #ffffff;
  }

#smalltopic .BurgerMenu {
  position: fixed;
  z-index: 10;
  top: 40px;
  left: 20px;
}

@media screen and (min-width: 850px) {

#smalltopic .BurgerMenu {
    display: none;
}
  }

.BurgerMenu-line {
  position: absolute;
  right: 10px;
  left: 10px;
  display: block;
  height: 5px;
  border-radius: 6px;
  background-color: currentColor;
  opacity: 1;
  transform: rotate(0deg);
  transition: 0.25s ease-in-out;
}

.BurgerMenu-line:nth-child(1) {
  top: 13px;
}

.BurgerMenu-line:nth-child(2),
.BurgerMenu-line:nth-child(3) {
  top: 28px;
}

.BurgerMenu-line:nth-child(4) {
  top: 42px;
}

.BurgerMenu.is-Active .BurgerMenu-line:nth-child(1) {
    top: 16px;
    left: 50%;
    width: 0%;
  }

.BurgerMenu.is-Active .BurgerMenu-line:nth-child(2) {
    transform: rotate(45deg);
  }

.BurgerMenu.is-Active .BurgerMenu-line:nth-child(3) {
    transform: rotate(-45deg);
  }

.BurgerMenu.is-Active .BurgerMenu-line:nth-child(4) {
    top: 16px;
    left: 50%;
    width: 0%;
  }