body{
    background-image: url(https://wiki.srb2.org/w/images/thumb/f/f3/Skies_SKY9.png/240px-Skies_SKY9.png);
    margin: 0;
}

* {
  box-sizing: border-box;
}

.header {
  text-align: center;
  padding: 32px;
}

.container {
  display: flex;
  flex-wrap: wrap;
  padding: 0 4px;
}

/* Create four equal columns that sits next to each other */
.column {
  flex: 25%;
  max-width: 25%;
  padding: 0 4px;
}

.column img {
  margin-top: 8px;
  vertical-align: middle;
}

img:hover {
      transform: scale(1.1);
}
/* Responsive layout - makes a two column-layout instead of four columns */
@media screen and (max-width: 800px) {
  .column {
    flex: 50%;
    max-width: 50%;
  }
}

/* Responsive layout - makes the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 600px) {
  .column {
    flex: 100%;
    max-width: 100%;
  }
}