@import url("https://fonts.googleapis.com/css?family=Poppins:300,400,500,600,700,800,900&display=swap");

/***********************\
*
*   RESET CSS
*
\***********************/

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #111;
  background-image: linear-gradient(
      to right bottom,
      rgba(17, 17, 17, 0.6),
      rgba(17, 17, 17, 0.8)
    ),
    url("https://images.unsplash.com/photo-1475070929565-c985b496cb9f?q=80&w=1770&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D");

  font-family: "Poppins", sans-serif;
  position: relative;
  height: 100vh;
  width: 100%;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  animation: blury 0.19s ease-in infinite;
  transition: all 10s;
}

body::before {
  content: "";
  position: absolute;
  top: 0%;
  left: 0%;
  width: 100%;
  height: 100%;
  background-image: url("http://pngimg.com/uploads/rain/rain_PNG13468.png");
  animation: rain 0.19s ease-in infinite;
}

@keyframes blury {
  0% {
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
  }

  50% {
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }
  100% {
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
  }
}

@keyframes rain {
  0% {
    background-position: 10 0;
  }
  100% {
    background-position: 20% 80%;
  }
}

/***********************\
*
*   STYLE OF LIST
*
\***********************/

ul {
  position: relative;
}
ul li {
  position: relative;
  list-style: none;
  word-spacing: 10px;
}
ul li a {
  position: relative;
  display: block;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 4em;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.1);
}

/***********************\
*
*   IMPORTANT!
*
\***********************/

ul li a:before {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  background: url("https://as1.ftcdn.net/jpg/01/38/07/68/500_F_138076808_y4D6u52C27CvVUtmsXfGabrTXHfpKrk8.jpg");
  -webkit-background-clip: text;
  background-clip: text;
  background-repeat: repeat-x;
  animation: wave 2s linear infinite;
  transition: 0.8s;
  width: 0;
  overflow: hidden;
  white-space: nowrap;
}
ul li a:hover:before {
  width: 100%;
}

/***********************\
*
*   ANIMATION SIMPLES
*
\***********************/

@keyframes wave {
  0% {
    background-position: 0px;
  }
  100% {
    background-position: 100px;
  }
}