*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body{
  overflow: hidden;
}

#canvas{
  width: 100%;
  border: 1px solid black;
  background: url(images/bg.jpg);
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-position: right;
  background-size: cover;  
}

#preloader{
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  height: 100%;
  right: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  background-color: black;
  color: rgb(35, 178, 218);
  font-size: 20px;
  font-family: system-ui;
}

#preloader .loader{
  display: block;
  width: 60px;
  height: 60px;
  background-color: transparent;
  border-radius: 50%;
  border-color: white;
  border-top-color: rgb(126, 155, 163);
  border-style: dotted;
  border-width: 20px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

#sound{
  position: fixed;
  bottom: 1em;
  left: 1em;
  z-index: 1000;
  background: #9e9e9e;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #2b2b87;
  cursor: pointer;
}