.menu {
  flex-grow: 1;
  display: flex;
  justify-content: right;
  gap:70px
}

.top-menu-button {
  cursor: pointer;
  position: relative;
  border-bottom: solid white 15px;
}

.top-menu-button:hover {
  color: red;
}

.top-sub-menu {
  position: absolute;
  width: 150px;
  background: #f5f5f5;
  padding: 20px;
  top: 25px;
box-shadow: 2px 8px 8px rgba(0, 0, 0, 0.4);
}

.sub-menu-item {
  display: block;
  padding-top: 15px;
  padding-bottom: 15px;
  border-bottom: solid 2px black;
}

.sub-menu-item:last-child {
  border-bottom: none;
}