* {
  box-sizing: border-box;
  background-color: #010105;
}

html,
body {
  padding: 0;
  margin: 0;
  max-width: 100%;
}

.canvas_audio {
  width: 100%;
  height: 100vh;
}

canvas {
  width: 100%;
  height: 75%;
}

.oscilator {
  display: flex;
  flex-direction: column;
  width: 50%;
  align-items: center;
}

.dotPlay {
  width: 3em;
  height: 3em;
  background-color:#3a024b;
  border-radius: 50%;
  margin: 1em;
  cursor: pointer;
}

.dotPlay:hover {
  width: 2.6em;
  height: 2.6em;
  margin-top: 1.2em;
}