:root{
  --primary-color: #FF9A00;
  --secondary-color: #09FF00;
  --tertiary-color: #C900FF;
  --black-color: #000000;
}

body{
  background-color: var(--black-color);
  font-family: "Creepster";
  color: #fff;
  text-align: center;
}

h1{
    font-size: 5rem;
    color: var(--primary-color);
}

h2{
  font-size: 3rem;
    color: var(--secondary-color);
}

.container {
  position: relative;
    display: flex;
    align-items: center;
    flex-direction: column;
    min-height: 100vh;
    padding: 30px;
    box-sizing: border-box;
  } 
  .center {
  }
  ul{
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 30px;
  }

  li{
    list-style-type: none;
  }
  button {
    display: block;
    padding: 10px 30px;
    border-radius: 4px;
    border: 1px solid var(--primary-color);
    cursor: pointer;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.3rem;
    width: auto;
  }

#stopAllButton{
  position: fixed;
  top: 20px;
  right: 20px;

  color: var(--tertiary-color);
  border: 1px solid var(--tertiary-color);
  font-family: "Creepster";
}

#FullScreenButton{
  position: absolute;
  top: 20px;
  left: 20px;

  color: var(--secondary-color);
  border: 1px solid var(--secondary-color);
  font-family: "Creepster";
}