html, body {
  margin: 0;
  padding: 0;
  background-color: #000000;
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif
}

canvas {
  display: flex;
  margin: 70px auto;
  border: 10px solid rgb(255, 255, 255);
  border-radius: 10px;
}

h1 {
  position: absolute;
  top: 5px;
  right: 100px;
  color: white;
  font-size: 30px;
}

h2 {
  position: absolute;
  top: 5px;
  left: 100px;
  color: white;
  font-size: 30px;
}

.username h1 {
  position: absolute;
  top: 5px;
  left: 100px;
  color: white;
  font-size: 30px;
}

.controlSFX {
  position: absolute;
  display: flex;
  align-items: center;
  bottom: 30px;
  left: 100px;
}

.controlMusic {
  position: absolute;
  display: flex;
  align-items: center;
  bottom: 70px;
  left: 100px;
}

.controlMusic label {
  color: white;
  font-size: 20px;
  margin-right: 10px;
}

.controlSFX label {
  color: white;
  font-size: 20px;
  margin-right: 10px;
}

input[type="range"] {
  position: absolute;
  left: 90px;
  width: 200px;
}


.themeSelector {
  position: absolute;
  display: flex;
  align-items: center;
  bottom: 40px;
  right: 100px;
}

.themeButton {
  background-color: transparent;
  border: 2px solid white;
  color: white;
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  font-size: 20px;
  padding: 10px 20px;
  margin-right: 10px;
  cursor: pointer;
  transition: background-color 0.3s, border-color 0.3s, color 0.3s;
}

.themeButton:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.themeButton:active {
  background-color: rgba(255, 255, 255, 0.4);
}