static/LoadingCss.css

@import url('https://fonts.googleapis.com/css2?family=Alfa+Slab+One&display=swap');
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

body {
  /* background-color:  #151719; */
  /* display: flex; */
  justify-content: center;
  align-items: center;
  /* min-height: 100vh; */
}
.waviy {
  
  position: relative;
  margin-top: 25%;
  margin-left: 35%;
  -webkit-box-reflect: below -20px linear-gradient(transparent, rgba(0,0,0,.2));
  font-size: 60px;
}
.waviy span {
  font-family: 'Alfa Slab One', cursive;
  position: relative;
  display: inline-block;
  color: #fff;
  text-transform: uppercase;
  animation: waviy 1s infinite;
  animation-delay: calc(.1s * var(--i));
  
}
@keyframes waviy {
  0%,40%,100% {
    transform: translateY(0)
  }
  20% {
    transform: translateY(-20px)
  }
}