header {
  position: absolute;
}

#searchBar {
  position: absolute;
  display: flex;
  top: 40px;
  right: 20px;
  width: 300px;
  padding: 12px 20px;
  box-sizing: border-box;
  border: 2px solid #000;
  border-radius: 4px;
  font-size: 16px;
  z-index: 1000; 
}