drum-machine.css

.container{
background-color: rgb(255, 255, 255);
display: flex;
justify-content: center;
height: 100vh;
align-items: center;
}

.machine{
 display: flex;
 flex-flow: row wrap;
 justify-content: center;
 width: 400px;
background-color: rgb(255, 0, 0);
 padding: 0;
  margin: 0;
  gap: 5px;
  height: 500px;
  padding: 10px;
  border-radius: 5%;
}

.drum-pad{
  display: flex;
  flex-wrap: wrap;
  width: 30%;
  background-color: cornflowerblue;
  text-align: center;
  justify-content: center;
  align-items: center;
  border: 1px solid black;
  color: white;
  border-radius: 10%;
}

.volume{
  font-size: larger;
  font-family: Arial, Helvetica, sans-serif;
  background-color: rgb(255, 0, 51);
  text-align: center;
  color: white;
  border: 1px solid rgb(255, 0, 0);
  border-radius: 3%;
}

.display{
  font-size: larger;
  font-family: Arial, Helvetica, sans-serif;
  margin-left: 10px;
  text-align: center;
  background-color: rgb(255, 0, 51);
  color: white;
  border: 1px solid rgb(255, 0, 0);
  border-radius: 3%;
}