body{
  background-color: #f8cd45;
}
*,
::before,
::after {
  box-sizing: border-box;
  text-decoration: none;
  list-style: none;
}

img{
  width:100%;
}

#gallery{
  width: 90%;
  max-width: 1000px;
  margin: 20px auto;
}

#gallery ul{
  columns: 3;
}

#gallery li{
  margin-bottom: 20px;
}