body {
  background-color: #f5f5f5;
  text-align: center;
  transition: background-color 1s;
}

#head {
  width: 100px;
  height: 80px;
  background-color: silver;
  margin: 0 auto;
  border-radius: 10px 10px 0 0;
}

#middle-section {
  display: flex;
  justify-content: center;
}

#body {
  width: 120px;
  height: 120px;
  background-color: steelblue;
}
#lower-section{
  display: flex;
  justify-content: center;
  gap: 20px;
}
.arm{
  width: 30px;
  height: 100px;
  background-color: gray;
  margin: 0 5px;
  border-radius: 15px;
  transform-origin: top center;
}
.leg{
  width: 40px;
  height: 110px;
  background-color: slategray;
  border-radius: 0 0 10px 10px;
}

button{
  margin-top: 30px;
  padding: 10px 20px;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 5px;
  border: 2px solid black;
}

@keyframes bounce {
0%,
100% {
  transform: traslateY(0px);
}
50% {
  transform: translateY(-20px);
}
}

@keyframes pumpArms {
  0%,
  100% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(130deg);
  }
}

@keyframes disco {
  0% {
    background-color: orange;
  }
  33% {
    background-color: green;
  }
  66% {
    background-color: blue;
  }
  100% {
    background-color: orange;
  }
}

.dance-body{
  animation: bounce 0.4s infinite;
}
.dance-arms {
  animation: pumpArms 0.4s infinite;
}
.disco-floor {
  animation: disco 1s infinite;
}