.container {
  width: 427px;
  height: auto;
  margin: 0 auto;
  background-color: #1b263b;
  color: #fff;
  padding: 30px;
  border-radius: 15px;
}

h1 {
  text-align: center;
  font-size: 23px;
  font-weight: 700px;
}

#randomize-btn {
  width: 100%;
  border-radius: 5px;
  background-color: #BE11E8;
  color: #fff;
  padding: 15px;
  border-color: transparent;
  margin-top: 15px;
  font-weight: 700;
  font-size: 16px;
}

#loading {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 9999;
}

#result {
  text-align: center;
  font-size: 20px;
  font-weight: bold;
  height: 16px;
}

#countdown {
  text-align: center;
  height: 16px;
  margin: 15px;
}

#randomized-number-label {
  display: block;
  text-align: center;
  margin-bottom: 15px;
  font-size: 16px;
}

#randomized-number, #attempts {
  width: 100%;
  padding: 10px;
  margin: 0 auto;
  text-align: center;
  font-size: 16px;
  border-radius: 5px;
  border: 2px solid #BE11E8;
  background-color: transparent;
  color: #fff;
}

#attempts-label {
  display: block;
  text-align: center;
  margin: 15px;
  font-size: 16px;
}

@media (max-width: 600px) {
  .container {
      width: auto;
  }
}