<div class="loader">
  <div class="ball"></div>
  <div class="ball"></div>
  <div class="ball"></div>
  <span data-text="Loading...">Loading...</span>
</div>

body {
  width: 100vw;
  height: 100vh;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #303240;
  user-select: none;
}

.loader {
  width: 120px;
  height: 75px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
}

.loader span {
  position: relative;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 4px;
  margin: auto;
  color: rgba(255, 255, 255, 0.2);
  /* -webkit-text-stroke: 1px #383d52; */
  line-height: 30px;
  height: 30px;
}

.loader span::before {
  position: absolute;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 4px;
  /* margin: auto; */
  /* color: white; */
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  color: white;
  overflow: hidden;
  /* -webkit-text-stroke: 0 white; */
  border-right: 3px solid white;
  animation: animate 2.5s cubic-bezier(0.46, 0.03, 0.52, 0.96) infinite;
}

.ball {
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background-color: #fff;
  animation: bounce .5s alternate infinite;
}

.ball:nth-child(2) {
  animation-delay: .16s;
}

.ball:nth-child(3) {
  animation-delay: .32s;
}

@keyframes bounce {
  from {
    transform: translateX(1.25);
  }

  to {
    transform: translateY(-50px) scaleX(1);
  }
}

@keyframes animate {

  0%,
  10%,
  100% {
    width: 0;
  }

  70%,
  90% {
    width: 100%;
  }
}