#root {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
}

.container {
  display: grid;
  grid-template-columns: 1fr;
}

.container h1 {
  display: grid;
  grid-column: 1 / -1;
}

.content {
  grid-column-start: 1;
  display: grid;
  row-gap: 20px;
}

.ex {
  border: 1px solid #0f0;
  margin: 0px 5px 5px 0px;
}

.ex:last-of-type {
  margin-bottom: 50px;
}

.ex h2 {
  margin-left: 5px;
  margin-bottom: 5px;
}

.ex button {
  padding: 25px;
  margin: 5px;
  border: 1px solid #000;
  border-radius: 25%;
}

.ex button.resetButton {
  display: block;
  margin: 0px 0px 5px 5px;
}

.ex .repButton.clicked {
  background-color: #000;
  border: 1px solid #000;
}

.resetAll {
  margin: 10px 10px 10px 0px;
}

div.resetAll {
  border: 1px solid #0f0;
}

button.resetAll {
  margin-left: 5px;
}