html {
  height: 100%;
}

body {
  font-family: "Courier New";
  color: black;
  background-color: lightgrey;
  height: 100%;
}

main {
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: stretch;
  align-content: stretch;
  flex-grow: 1;
}

header {
  display: flex;
  flex-direction: row;
  background-color: grey;
  margin-bottom: 1%;
  justify-content: center;
}

footer {
  height: 1.2em;
  background-color: grey;
}

h1 {
  font-size: 1.5em;
}

h2 {
  font-size: 1em;
}

.rowFlex {
  display: flex;
  flex-direction: row;
}

.columnFlex {
  display: flex;
  flex-direction: column;
}


.itemDiv {
  border: 1px dotted black;
  border-radius: 4px;
  padding: 1%;
  width: 16%;
  margin-right: 1%;
  margin-bottom: 1%;
  overflow: hidden;

  display: flex;
  flex-direction: column;
}

@media (max-width: 1200px) {
  .itemDiv {
    width: 25%;
  }
}
@media (max-width: 800px) {
  .itemDiv {
    width: 44%;
  }
}
@media (max-width: 400px) {
  main {
    flex-direction: column;
  }
  .itemDiv {
    width: 100%;
  }
}