html {
  background: whitesmoke;
  height: 100%;
}

body {
  margin: 0px;
  display: grid;
  grid-template-rows: 50px 1fr 100px;
}

*:focus {
  outline: none;
}

button {
  text-transform: uppercase;
  border-radius: 5px;
  box-shadow: rgba(0, 0, 0, 0.2) 1px 1px 10px;
  width: fit-content;
  background: white;
  padding: 10px;
  cursor: pointer;
}

button[disabled] {
  cursor: default;
  box-shadow: none;
  color: gray;
}

header {
  background: rgba(0, 0, 0, 0.2);
  box-shadow: rgba(0, 0, 0, 0.1) 1px 1px 10px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  text-transform: uppercase;
  font-style: italic;
}

header p {
  margin: 2px 10px;
}

main {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 450px));
  justify-content: center;
}

div {
  padding: 10px;
}

#theButton {
  padding: 20px;
  font-size: 2em;
  background: blue;
  color: white;
}

@media screen and (max-width: 450px) {
  #theButton {
    position: fixed;
    bottom: 0px;
    width: 100%;
    left: 0px;
  }
}

.comp {
  display: block;
  margin-bottom: 20px;
}