html, body { 
  background-color: black;
  color: white;
}
.instructions {
  width: 80vw;
  max-width: 500px;
}
.instructions-float {
  position: absolute;
  top: 5vh;
  width: 80vw;
  max-width: 500px;
}
.instructions-btn {
  width: 30vw;
  max-width: 200px;
  padding: 20px;
  border: 3px solid white;
  border-radius: 10px;
  background-color: #444;
  color: white;
  font-size: 18px;
  position: absolute;
  bottom: 10vh;
  left: 50%;
  transform: translateX(-50%);
}
#jspsych-html-button-response-btngroup {
  height: 0px;
  max-width: 500px;
  position: absolute;
  bottom: 4vh;
  width: 80vw;
  left: 50%;
  transform: translateX(-50%);
}
.touch-btn {
  width: 30vw;
  max-width: 100px;
  height: 30vw;
  max-height: 100px;
  border: 3px solid white;
  border-radius: 50%;
  background-color: #444;
}
.touch-btn:disabled {
  background-color: #444;
  border: 3px solid white;
}
.touch-btn-left {
  position: absolute;
  left: 0;
  bottom: 5vh;
}
.touch-btn-right {
  position: absolute;
  right: 0;
  bottom: 5vh;
}
.touch-btn-left-fake {
  position: absolute;
  left: max(10vw, calc(50vw - 250px));
  bottom: 9vh;
}
.touch-btn-right-fake {
  position: absolute;
  right: max(10vw, calc(50vw - 250px));
  bottom: 9vh;
}

.spinner {
  animation: rotate 2s linear infinite;
  z-index: 2;
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -25px 0 0 -25px;
  width: 50px;
  height: 50px;
}
  
.spinner .path {
  stroke: rgb(255, 255, 255);
  stroke-linecap: round;
  animation: dash 1.5s ease-in-out infinite;
}
@keyframes rotate {
  100% {
    transform: rotate(360deg);
  }
}

@keyframes dash {
  0% {
    stroke-dasharray: 1, 150;
    stroke-dashoffset: 0;
  }
  50% {
    stroke-dasharray: 90, 150;
    stroke-dashoffset: -35;
  }
  100% {
    stroke-dasharray: 90, 150;
    stroke-dashoffset: -124;
  }
}