body, html {
  height: 100vh;
  text-align: center;
  font-family: 'Gugi', cursive;
background-image: -webkit-linear-gradient(top right, #69EACB 0%, #EACCF8 48%, #6654F1 100%);
background-image: -o-linear-gradient(top right, #69EACB 0%, #EACCF8 48%, #6654F1 100%);
background-image: linear-gradient(to bottom left, #69EACB 0%, #EACCF8 48%, #6654F1 100%);
  overflow: hidden;
  margin: 0;
  padding: 0;
}

.headerSection {
  margin-top: 0px;
  margin-bottom: 20px;
  color: teal;
  background-color: #69EACB;
  padding: 5px;
  border-bottom: 5px solid black;
}

#instructionsBox {
  width: 60%;
  position: relative;
  margin: 0 auto;
  border: 3px solid teal;
  margin-top: 10px;
  margin-bottom: 10px;
  padding: 0px 20px;
}

.instructions {
  margin-top: 10px;
  margin-bottom: 10px;
}

#logo {
  height: 80px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 10px;
}

.heading {
  display: inline-block;
  vertical-align: middle;
}

.scoreContainer {
  margin-top: 20px;
  color: teal;
  margin-bottom: 20px;
  font-size: 25px;
  font-weight: bold;
}

#fullSizeMessage {
  display: none;
}


@media only screen and (max-device-width: 480px) {
  #tetris {
    width: 180px;
    position: relative;
    margin: 0 auto;
    margin-top: 10px;
  }

  #logo {
    height: 40px;
  }

  .heading {
    font-size: 20px;
    margin-top: 15px;
    margin-bottom: 15px;
  }

  #instructionsBox {
    display: none;
  }

  #fullSizeMessage {
    width: 280px;
    display: block;
    font-size: 18px;
    color: white;
    position: relative;
    margin: 0 auto;
  }