HTML

CSS

JS

.loader {
  position: relative;
  width: 120px;
  height: 90px;
  margin: 0 auto;
}

.loader:before {
  content: "";
  position: absolute;
  bottom: 30px;
  left: 50px;
  height: 30px;
  width: 30px;
  border-radius: 50%;
  background: #2a9d8f;
  animation: loading-bounce 0.5s ease-in-out infinite alternate;
}

.loader:after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  height: 7px;
  width: 45px;
  border-radius: 4px;
  box-shadow: 0 5px 0 #f2f2f2, -35px 50px 0 #f2f2f2, -70px 95px 0 #f2f2f2;
  animation: loading-step 1s ease-in-out infinite;
}

@keyframes loading-bounce {
  0% {
    transform: scale(1, 0.7);
  }

40% {
    transform: scale(0.8, 1.2);
  }

60% {
    transform: scale(1, 1);
  }

100% {
    bottom: 140px;
  }
}

@keyframes loading-step {
  0% {
    box-shadow: 0 10px 0 rgba(0, 0, 0, 0),
            0 10px 0 #f2f2f2,
            -35px 50px 0 #f2f2f2,
            -70px 90px 0 #f2f2f2;
  }

100% {
    box-shadow: 0 10px 0 #f2f2f2,
            -35px 50px 0 #f2f2f2,
            -70px 90px 0 #f2f2f2,
            -70px 90px 0 rgba(0, 0, 0, 0);
  }
}

Bouncing Ball Loader

This loader looks like it is part of a game. The bouncing animation makes it look like the ball is bouncing off the step and onto the next one.

You can change CSS line 16 to change the color of the ball.