body,
html {
  margin: 0;
  padding: 0;
  font-family: 'Major Mono Display', monospace;
  background: url(../images/james-owen-653039-unsplash.jpg) no-repeat center
    center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

.keys {
  display: flex;
  flex: 1;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
}

.key {
  border: 0.4rem solid black;
  border-radius: 0.5rem;
  padding: 1rem 0.5rem;
  transition: all 0.07s ease;
  width: 10rem;
  text-align: center;
  color: aliceblue;
  background: rgba(0, 0, 0, 0.4);
  text-shadow: 0 0 0.5rem black;
}

.playing {
  transform: scale(1.1);
  border-color: gold;
  box-shadow: 0 0 1rem goldenrod;
}

kbd {
  display: block;
  font-size: 2rem;
}

.sound {
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  color: gold;
}

svg {
  width: 42px;
  height: 42px;
  padding: 2px;
}

nav {
  display: flex !important;
  flex-direction: column !important;
  align-items: stretch !important;
}

ul {
  justify-content: space-between;
}

.blinking {
  animation: blinkingText 0.8s infinite;
}
@keyframes blinkingText {
  0% {
    color: rgb(3, 5, 70);
  }
  49% {
    color: rgb(255, 80, 255);
  }
  50% {
    color: rgb(246, 38, 38);
  }
  99% {
    color: rgb(53, 230, 77);
  }
  100% {
    color: #000;
  }
}

.xl-large-font {
  font-size: 2.25rem;
}

.large-font {
  font-size: 1.75rem;
}
