#snake-container {
  text-align: center;
  font-family: Arial, sans-serif;
  color: #fff;
  background: #222;
  padding: 20px;
  border-radius: 12px;
  width:90%;
  max-width: 600px;
  margin: auto;
  box-shadow: 0 0 15px rgba(0,0,0,0.7);
}

#snake-canvas {
  border: 2px solid #fff;
  background: #000;
  display: block;
  margin: 10px auto;
  width: 100%;
  height:auto;
}

.controls {
  margin-top: 10px;
  margin-left: 5px;
  float:left:
}

button {
  padding: 6px 12px;
  margin-left: 10px;
  
  border: none;
  background: limegreen;
  color: white;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background: green;
}
#poziom {
  float:left;
  margin-bottom: 5px;
  padding-left: 1px;
  color:#fff;
}
#przycisk {

     padding: 20px 20px;
}