html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

#canvas-container {
  width: 100%;
  height: 100%;
  max-width: 477px;
  max-height: 625px;
}

#testControls {
  position: absolute;
  top: 0;
  left: 0;
  padding: 12px;
  display: flex;
  gap: 24px;
}

.canvasLoader {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 52px;
  height: 52px;
  margin-left: -26px;
  margin-top: -26px;
  border: 2px solid #d3d3d3;
  border-bottom-color: transparent;
  border-radius: 50%;

  -webkit-animation: rotation 1s linear infinite;

          animation: rotation 1s linear infinite;
}

@-webkit-keyframes rotation {
  0% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}

@keyframes rotation {
  0% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}

select {
  min-width: 100px;
}