body {
  font-family: "Benton Sans", "Helvetica Neue", helvetica, arial, sans-serif;
  margin: 20px;
}

h1 {
  color: #373fff;
}

h4 {
  margin: 3px;
}

a {
  background: yellow;
  text-decoration: none;
  color: black;
}

.none {
  background: white;
}

.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-top: 15px;
}

#sketch {
  flex: 1;
}

.btns-container {
  min-width: 70%;
  display: flex;
  flex-flow: wrap;
  justify-content: space-between;
}

.btn {
  border: 1px solid black;
  padding: 5px 15px;
  margin-top: 15px;
  cursor: pointer;
  border-radius: 5px;
  box-shadow: 0 0 20px 0 rgba(0,0,0,.3);
  font-size: 1.17em;
  margin-block-start: 1em;
  margin-block-end: 1em;
  font-weight: bold;
}

.correct {
  border: 4px solid green;
}

.incorrect {
  border: 4px solid red;
}

canvas {
  border: 5px solid black;
}

@media (min-width: 1280px) {     
  .btn:hover {
    box-shadow: 0 0 20px 0 #373fff
  } 
}