* {

  margin: 0;

  padding: 0;

  box-sizing: border-box;

}



body {

  font-family: sans-serif;

  height: 100vh;

  background: black;

  display: flex;

  flex-direction: column;

  align-items: center;

}

@media (max-width: 768px) {

  #header
  {
    min-height: var(--header-height);
    width:100%;
    top:0;
    display:flex;
  }

}