html, body {
  background-color: #222;
  height: 100%;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;    
}

h5,i  {
  color: yellow;
  font-size: 5vw;
  font-weight: bold;
  text-decoration: none;
  letter-spacing: 6px;
  display: inline-block;
  position: relative;
  font-family: "Audiowide", sans-serif;
  -webkit-mask-image: linear-gradient(-75deg, rgba(0,0,0,.6) 80%, #000 90%, rgba(0,0,0,.6) 100%);
  -webkit-mask-size: 200%;
  animation: shine 2s linear infinite;
}
h3 {
 font-family: "Audiowide", sans-serif;

}
@keyframes shine {
  from { -webkit-mask-position: 150%; }
  to { -webkit-mask-position: -50%; }
}