html, body {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background-color: #000;
}

.start-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150px;
  height: 50px;
  background-color: #fff;
  color: #000;
  border: none;
  cursor: pointer;
  font-family: "Montserrat", sans-serif;
  font-size: 28px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s, color 0.3s;
}

.start-button:hover {
  background-color: #ccc;
}

@media (max-width: 600px) {
  .start-button {
    width: 120px;
    height: 120px;
    font-size: 22px;
  }
}

.color-selector-container {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: rgba(0, 0, 0, 0.4);
  border-radius: 5px;
  z-index: 1000;
}

select {
  background-color: transparent;
  color: white;
  border: none;
  font-family: "Montserrat", sans-serif;
  font-size: 14px;
  padding: 8px;
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-repeat: no-repeat;
  background-position: right 10px top 50%;
  background-size: .6em auto;
  padding-right: 25px;
}

select:focus {
  outline: none;
}

.instagram-container {
  position: absolute;
  bottom: 15px;
  left: 15px;
  z-index: 1000;
}

.instagram-container a img {
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.instagram-container a:hover img {
  opacity: 1.0;
}