* {
  text-align: center;
}

h1 {
  font-size: 80px;
  margin-top: 120px;
  font-family: "Courier New", Courier, monospace;
  text-shadow: 5px 0 #fa3a3a;
}

.a {
  background-image: url("images/tom1.png");
}

.s {
  background-image: url("images/tom2.png");
}

.d {
  background-image: url("images/snare.png");
}

.j {
  background-image: url("images/tom4.png");
}

.k {
  background-image: url("images/crash.png");
}

.l {
  background-image: url("images/kick.png");
}

.btn {
  outline: none;
  display: inline-block;
  height: 180px;
  width: 180px;
  margin: 10px;
  border-radius: 10px;
  border: 2px solid #fa3a3a;
  cursor: pointer;
  text-align: center;
  font-size: 60px;
}

.pressed {
  box-shadow: 0px 4px 4px 0 #1cacdb;
  opacity: 0.5;
}