* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.nav {
  width: 100%;
  display: flex;
  flex-direction: column;
  padding-top: 5px;
  padding-bottom: 5px;
  background-color: rgb(0, 0, 0);
  box-shadow: 0px 1px 5px #5a4fcf;
  position: sticky;
  top: 0px;
  z-index: 100;
}

@media (min-width: 768px) {
  .nav {
    flex-direction: row;
    padding-left: 10px;
    padding-right: 10px;
  }
}