body {
  background: rgb(2, 27, 65);
  font-family: "Raleway", sans-serif;
}

h1 {
  text-align: center;
  color: white;
  text-shadow: 1px 1px 2px rgb(179, 177, 177);
}

#game-box {
  position: relative;
  margin: 0 auto;
  width: 400px;
  height: 400px;
  border-radius: 100%;
}

.colour {
  float: left;
  width: 50%;
  height: 50%;
  border: 1px solid black;
  box-sizing: border-box;
  opacity: 0.6;
  z-index: 0;
  box-shadow: 0 0 1px 1px black;
}

#red {
  background: rgb(255, 0, 0);
  border-radius: 100% 0 0 0;
}

#blue {
  background: rgb(0, 0, 255);
  border-radius: 0 100% 0 0;
}

#green {
  background: rgb(0, 128, 0);
  border-radius: 0 0 0 100%;
}

#yellow {
  background: rgb(255, 255, 0);
  border-radius: 0 0 100% 0;
}

.active {
  opacity: 1 !important;
}

.wrong {
  background: rgb(255, 0, 0) !important;
  opacity: 1 !important;
}

.correct {
  background: rgb(0, 128, 0) !important;
  opacity: 1 !important;
}

#info {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150px;
  height: 65px;
  background: white;
  border: 1px solid black;
  text-align: center;
  z-index: 1;
  padding-top: 5px;
  border-radius: 10px;
  font-size: 16px;
}

#info-text {
  text-decoration: underline;
}

#info-btns {
  position: absolute;
  width: 100%;
  bottom: 5px;
}

button {
  text-decoration: none;
  border-radius: 3px;
  background: rgb(59, 137, 201);
  border: 1px solid rgb(53, 127, 223);
  color: white;
  font-size: 1em;
  font-family: inherit;
}

button:hover {
  color: rgb(59, 137, 201);
  background: white;
}

button:active {
  background: rgb(152, 206, 224);
  color: white;
}

.hide {
  display: none;
}

.spin {
  animation: spin 5s infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(1080deg);
  }
}