html,
body {
  margin: 0px;
  padding: 0px;
  height: 100%;
  width: 100%;
}
body {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #444;
}
.container {
  display: flex;
  background-color: #fff;
  padding: 20px;
  border-radius: 20px;
  box-shadow: 0px 1px 5px rgba(0, 0, 0, 0.1);
}
.container fieldset {
  text-align: center;
  padding: 15px;
  cursor: pointer;
  width: 250px;
  border-radius: 5px;
}
.container fieldset legend {
  text-align: center;
  display: inline-block;
  padding: 0px 10px;
  font-size: 18px;
}
.container fieldset canvas {
  margin: 15px auto;
  display: block;
}
@media screen and (max-width: 1200px) and (min-width: 678px) {
  .container {
    transform: scale(0.75);
  }
}
@media screen and (max-width: 678px) {
  body {
    display: block;
  }
  .container {
    flex-wrap: wrap;
    max-width: 100%;
    border-radius: 0px;
  }
  .container fieldset {
    width: 100%;
  }
  .container fieldset + fieldset {
    margin-top: 15px;
  }
}