Indro2/Dungeon/build/web/css/style.css

body {
  background: #031921;
  color: #fff;
  font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue",
    Helvetica, Arial, "Lucida Grande", sans-serif;
  font-weight: 300;
  margin: 0;
  padding: 0;
  touch-action: none;
  -webkit-touch-callout: none;
  user-select: none;
  -webkit-user-select: none;
  overflow: hidden;
}

#game {
  display: flex;
  flex-direction: column;
  position: absolute;
  width: 100%;
  height: 100%;
  touch-action: none;
}

#game canvas {
  object-fit: contain;
  image-rendering: -moz-crisp-edges;
  image-rendering: -webkit-crisp-edges;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  height: 100%;
}

#controller {
  display: none;
  position: fixed;
  bottom: 0px;
  height: 210px;
  width: 100%;
  touch-action: none;
  opacity: 0.8;
}

#controller_dpad {
  position: absolute;
  bottom: 20px;
  left: 0px;
  width: 184px;
  height: 184px;
}

#controller_dpad:before {
  content: "";
  display: block;
  width: 48px;
  height: 48px;
  background: #5c5c5c;
  background: radial-gradient(
    ellipse at center,
    #5c5c5c 0%,
    #555 59%,
    #5c5c5c 60%
  );
  position: absolute;
  left: 68px;
  top: 68px;
}

#controller_left {
  position: absolute;
  left: 20px;
  top: 68px;
  width: 48px;
  height: 48px;
  background: #666;
  background: radial-gradient(ellipse at center, #666 0%, #5c5c5c 80%);
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
}

#controller_right {
  position: absolute;
  left: 116px;
  top: 68px;
  width: 48px;
  height: 48px;
  background: #666;
  background: radial-gradient(ellipse at center, #666 0%, #5c5c5c 80%);
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
}

#controller_up {
  position: absolute;
  left: 68px;
  top: 20px;
  width: 48px;
  height: 48px;
  background: #666;
  background: radial-gradient(ellipse at center, #666 0%, #5c5c5c 80%);
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
}

#controller_down {
  position: absolute;
  left: 68px;
  top: 116px;
  width: 48px;
  height: 48px;
  background: #666;
  background: radial-gradient(ellipse at center, #666 0%, #5c5c5c 80%);
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
}

#controller_a {
  position: absolute;
  bottom: 110px;
  right: 20px;
}

#controller_b {
  position: absolute;
  bottom: 80px;
  right: 100px;
}

.roundBtn {
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 32px;
  color: #440f1f;
  line-height: 64px;
  width: 64px;
  height: 64px;
  border-radius: 64px;
  background: #870a4c;
  background: radial-gradient(ellipse at center, #ab1465 0%, #8b1e57 100%);
  box-shadow: 0px 4px 5px rgba(0, 0, 0, 0.2);
}

.capsuleBtn {
  font-weight: bold;
  font-size: 10px;
  color: #111;
  display: flex;
  justify-content: center;
  align-items: center;
  line-height: 40px;
  text-transform: uppercase;
  width: 64px;
  height: 32px;
  border-radius: 40px;
  background: #222;
  background: radial-gradient(ellipse at center, #666 0%, #555 100%);
  box-shadow: 0px 4px 5px rgba(0, 0, 0, 0.2);
}

#controller_start {
  position: absolute;
  bottom: 20px;
  right: 15px;
}

#controller_select {
  position: absolute;
  bottom: 20px;
  right: 100px;
}

.btnPressed {
  opacity: 0.5;
}

.spinner {
  height: 50px;
  width: 50px;
  margin: 0px auto;
  -webkit-animation: rotation 0.8s linear infinite;
  -moz-animation: rotation 0.8s linear infinite;
  -o-animation: rotation 0.8s linear infinite;
  animation: rotation 0.8s linear infinite;
  border-left: 10px solid #306850;
  border-right: 10px solid #306850;
  border-bottom: 10px solid #306850;
  border-top: 10px solid #88c070;
  border-radius: 100%;
  background-color: #031921;
}
@-webkit-keyframes rotation {
  from {
    -webkit-transform: rotate(0deg);
  }
  to {
    -webkit-transform: rotate(360deg);
  }
}
@-moz-keyframes rotation {
  from {
    -moz-transform: rotate(0deg);
  }
  to {
    -moz-transform: rotate(360deg);
  }
}
@-o-keyframes rotation {
  from {
    -o-transform: rotate(0deg);
  }
  to {
    -o-transform: rotate(360deg);
  }
}
@keyframes rotation {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@media only screen and (max-width: 640px) {
  #game canvas {
    margin-top: 0px;
    width: 100%;
    max-width: 512px;
    border: 0px;
    border-radius: 0px;
  }
}

@media only screen and (max-device-width: 812px) and (orientation: portrait) {
  body {
    margin: 0;
  }

  #game {
    width: 100%;
    position: fixed;
    touch-action: none;
  }

  #game canvas {
    margin: 0;
    display: block;
    width: 100% !important;
    height: auto !important;
  }
}

@media only screen and (max-device-width: 320px) and (orientation: portrait) {
  #controller_dpad {
    left: -5px;
    bottom: -5px;
  }

  #controller_a {
    right: 5px;
    bottom: 95px;
  }

  #controller_b {
    right: 80px;
  }

  #controller_start {
    right: 5px;
  }

  #controller_select {
    right: 80px;
  }
}

@media only screen and (max-width: 500px) and (max-height: 400px) {
  #controller {
    display: none;
  }
}

/* Small devices in landscape */
@media only screen and (max-device-width: 300px) and (orientation: landscape) {
  html,
  body {
    height: 100%;
  }
  body {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  #game:after {
    content: "PLEASE ROTATE ↻";
    font-size: 24px;
    font-weight: bold;
    color: #fff;
  }

  #game canvas {
    display: none;
    max-width: 480px;
  }

  #controller {
    display: none;
  }
}

/* Devices large enough for landscape */
@media only screen and (min-width: 300px) and (orientation: landscape) {
  #controller {
    bottom: 50%;
    transform: translateY(50%);
    opacity: 0.5;
  }
}

#debug {
  display:flex;
  flex-direction:column;
  align-items:center;
  padding:10px;
  position:fixed;
  top:0px;
  left:0px;
  right:0px;
  bottom:0px;
  background:rgba(0,0,0,0.5);
}

#debug div {
  background: white;
  color: black;
  border: 1px solid #ddd;
  border-radius: 4px;
  transform: position;
  font-size: 11px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  display: flex;
  align-items: center;
}

#debug span {
  padding: 5px 8px;
}

#debug button {
  background: transparent;
  border: none;
  border-left: 1px solid #ddd;
  display: flex;
  align-items: center;
  height: 100%;
}

#debug button:hover {
  background: #eee;
}

#debug button:active {
  background: #ddd;
}