body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  font-family: sans-serif;
  background-color: black;
  color: white;
}

.canvas {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 520px;
}

#myCanvas {
  border: 10px inset;
  border-radius: 5px;
  margin-right: 8px;
}

.header {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-left: 40px;
  margin-bottom: 30px;
}

.game-name {
  font-size: 30px;
  font-weight: bold;
  color: red;
  text-shadow: none;
  margin-bottom: 5px;
  animation-timing-function: step-end, linear;
  animation-name: flicker, on;
  animation-delay: 1s, 3s;
  animation-duration: 1s, 1s;
  animation-fill-mode: forwards, forwards;
}

  @-webkit-keyframes flicker {
    10% {
      color: white;
      text-shadow:
        0 0 5px white,
        0 0 10px white,
        0 0 20px red,
        0 0 30px red,
        0 0 40px red,
        0 0 55px red,
        0 0 75px red;
    }

    20% {
      color: red; text-shadow: none
    }

    30% {
      color: white;
      text-shadow:
        0 0 5px white,
        0 0 10px white,
        0 0 20px red,
        0 0 30px red,
        0 0 40px red,
        0 0 55px red,
        0 0 75px red;
    }

    40% {
      color: red; text-shadow: none
    }


    80% {
      color: white;
      text-shadow:
        0 0 5px white,
        0 0 10px white,
        0 0 20px red,
        0 0 30px red,
        0 0 40px red,
        0 0 55px red,
        0 0 75px red;
    }

    100% {
      color: red; text-shadow: none
    }
  }

  @-webkit-keyframes on {
    100%  {
      color: white;
      text-shadow:
        0 0 5px white,
        0 0 10px white,
        0 0 20px red,
        0 0 30px red,
        0 0 40px red,
        0 0 55px red,
        0 0 75px red;
    }
  }

.author {
  margin-bottom: 5px;
}

.author-name {
  display: inline;
  font-size: 20px;
  color: white;
}

a[class*='link']:active {
  color: red;
}

.link-github {
  margin-right: 5px;
  text-decoration: none;
  color: white;
}

.link-linkedin {
  margin-right: 5px;
  text-decoration: none;
  color: blue;
}

.container-index {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-left: 15px;
  margin-bottom: 10px;
}

div[class*='index-'] {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 7px;
}

.black {
  width: 12px;
  height: 12px;
  background-color: black;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 3px;
}

.white {
  width: 2px;
  height: 10px;
  background-color: white;
}

div[class*='color']{
  width: 12px;
  height: 12px;
  margin-right: 3px;
}

.control-bar {
  margin: 15px;
  display: flex;
  flex-direction: column;
  height: 100%;
  align-items: center;
  box-sizing: border-box;
  padding-top: 30px;
}

.label-maze {
  font-size: 20px;
  padding: 5px;
  border-bottom: 1px solid grey;
  margin-bottom: 20px;
  display: block;
  width: 100%;
  white-space: nowrap;
  text-align: center;
  box-sizing: border-box;
}

.button {
  background: black;
  font-size: 16px;
  line-height: 18px;
  padding: 10px;
  display: block;
  border: 7px outset;
  border-radius: 5px;
  color: lightgreen;
  text-shadow:
    0 0 5px green,
    0 0 10px green,
    0 0 20px green;
  width: 133px;
  margin-bottom: 20px;
  cursor: pointer;
}

.button:hover {
  box-shadow: 0px 0px 20px 5px #888880;
  transition-duration: 0.3s;
  transition-property: box-shadow;
}
.button:focus {
  outline-width: 0;
}

.button:active {
  border: 7px inset;
}

.button:disabled {
  color: green;
  text-shadow: none;
}

.button[class*='press'] {
  border: 7px inset;
}

.instructions {
  width: 133px;
  text-align: center;
}

.keyboard-image{
  margin-top: 5px;
  width: 133px;
}