body {
  text-align: center;
  background-color: #ffffff;
  margin: 0;
  padding: 0;
}

h1 {
  position: relative;
  font-size: 5rem;
  color: #fff;
  font-family: sans-serif;
  background-image: url(images/rockband.png);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  margin: 0;
  padding: 5rem;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.3);
}

h1::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3); /* mais escuro */
  border-radius: 10px;
  z-index: 1;
}

h1 span {
  position: relative;
  z-index: 2;
  color: white;
}

footer {
  margin-top: 10%;
  color: #444444;
  font-family: sans-serif;
}

.q {
  background: url(images/crash.png);
}

.w {
  background: url(images/tom1.png);
}

.e {
  background: url(images/tom2.png);
}

.a {
  background: url(images/snare.png);
}

.s {
  background: url(images/kick.png);
}

.d {
  background: url(images/tom4.png);
}

.set {
  margin: 5% auto;
}

.pressed {
  box-shadow: 0px 0px 8px 4px #36709C !important; 
  opacity: 0.5;
}

.drum span {
  position: relative;
  z-index: 2;
}

.drum {
  outline: none;
  border: 6px solid #eeeeee;
  box-shadow: 4px 4px 10px lightgray;
  font-size: 3rem;
  font-family: sans-serif;
  font-weight: 600;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.5);
  border-radius: 15px;
  display: inline-block;
  width: 150px;
  height: 150px;
  text-align: center;
  margin: 10px;
  position: relative;
  color: white; /* letras brancas */
  z-index: 3;
}

.drum::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3); /* mais escuro */
  border-radius: 10px;
  z-index: 1;
}