body {
  margin: 0;
  position: fixed;
}

.center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

#main-container {
  height: 100vh;
  width: 100vw;

  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-direction: column;
}

#main-container > div {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

/*
 * Options
 */

#options-toggle-container {
  padding-top: 40px;
}

#options-toggle-container button {
  padding: 5px 15px 5px 15px;
}

#options-container {
  position: absolute;
  top: 100px;
  z-index: 2;

  background: rgba(50, 50, 50, 0.5);
  padding: 60px 80px 60px 80px;

  border-radius: 30px;

  transition-duration: 0.6s;
}

#btn-show-options {
  display: none;
}

.option {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  margin-bottom: 5px;
}

input {
  margin-right: 10px;
  height: 26px;
  font-size: 20px;
  text-align: center;

  background-color: white;
  border: 1px solid gray;
}

#btn-add {
  height: 30px;
  width: 30px;
  font-size: 20px;
  text-align: center;

  cursor: pointer;
}

.btn-remove {
  height: 30px;
  width: 30px;
  font-size: 20px;
  text-align: center;

  cursor: pointer;
}

/*
 * Wheel
 */

#wheel-container {
  padding: 50px;

  /* border: 1px solid black; */
}

#arrow {
  width: 0;
  height: 0;
  position: relative;
  top: 40px;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;

  border-top: 40px solid #f00;
  z-index: 1;
}

#canvas {
  transition-duration: 3s;
  transition-timing-function: ease;
}

/*
 * Spin
 */

#btn-spin-container {
  padding: 30px;
}

#btn-spin {
  height: 80px;
  width: 80px;
  border-radius: 100%;
  background-color: rgb(228, 1, 1);
  color: white;
  cursor: pointer;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 22px;
  z-index: 1;

  border: none;
  box-shadow: 0 6px #999;
  outline: none;
}

#btn-spin:active {
  box-shadow: 0 4px #666;
  transform: translateY(4px);
}

@keyframes spinning {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/* Pop up */

#pop-up-container {
  padding: 5px;

  height: 200px;

  position: absolute;
  z-index: 3;

  top: 45%;
  right: 30%;
  left: 70%;

  opacity: 0;
}

#pop-up-message-container {
  font-size: 12px;
  font-family: "Verdana";
  background: rgba(250, 250, 250, 0.9);
  width: 180px;
  border: 1px solid black;
  color: black;

  padding: 8px;
}

#pop-up-message {
  margin: 0;
}

#pop-up-message-container-arrow {
  width: 1px;
  border-width: 5px;
  border-style: solid;
  position: relative;
  left: 35px;
  border-color: black transparent transparent transparent;
}

#pop-up-img {
  height: 100px;
  width: 100px;
  background-size: cover;
}

@keyframes showPopUp {
  0% {
    opacity: 0;
    transform: translate3d(300px, 0, 0);
  }

  100% {
    opacity: 100;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes removePopUp {
  0% {
    opacity: 100;
    transform: translate3d(0, 0, 0);
  }

  100% {
    opacity: 0;
    transform: translate3d(300px, 0, 0);
  }
}

@media (max-width: 550px) {
  #canvas {
    height: 300px;
    width: 300px;
  }

  #arrow {
    top: 30px;
  }

  #options-container {
    padding: 40px 40px 40px 40px;
  }

  #pop-up-container {
    right: 60%;
    left: 40%;
  }

  #wheel-container {
    padding: 20px;
  }

  #btn-spin-container {
    padding-top: 0px;
  }
}