body {
  text-align: center;
  background-color: #011F3F;
}

#level-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 3rem;
  margin:  5%;
  color: #FEF2BF;
}
.hidden {
  display: none;
}
.container {
  display: block;
  width: 50%;
  margin: auto;

}

.btn {
  margin: 25px;
  display: inline-block;
  height: 200px;
  width: 200px;
  border: 10px solid black;
  border-radius: 20%;
}

.game-over {
  background-color: red;
  opacity: 0.8;
}

.won {
  background-color: rgb(102, 255, 47);
  opacity: 0.8;
}

.red {
  background-color: red;
}

.green {
  background-color: green;
}

.blue {
  background-color: blue;
}

.yellow {
  background-color: yellow;
}

.pressed {
  box-shadow: 0 0 20px white;
  background-color: grey;
}

.mobile {
  font-size: 30px;
  border-radius: 50%;
  height: 150px;
  width: 150px;
  padding: 10px;
  background: linear-gradient(to bottom, #ffe259, #ffa751); /* shiny orange gradient */
  border: none;
  box-shadow: 0 8px #cc6600, inset 0 0 10px rgba(255, 255, 255, 0.3);
  color: white;
  font-weight: bold;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.1s ease-in-out;
}

/* Glossy shine effect */
.mobile::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 50%;
  width: 100%;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), transparent);
  border-top-left-radius: 50%;
  border-top-right-radius: 50%;
}

/* Pressed effect */
.mobile:active {
  box-shadow: 0 2px #cc6600;
  transform: translateY(6px);
}

@media (max-width: 1250px) {
  .container .row {
    display: flex;
  }
}