body{
    background-image: url("https://textures.neocities.org/textures/plants/073C.png");
    background-size: cover;
    color: white;
    text-shadow: 0 0 1px black, 1px 1px black;
    height: 100vh;
    overflow: hidden;
    text-align: center;
}
a:link {
    color: cyan;
}
a:visited {
    color: aqua;
}

.grass {
  width: 100vmin;
  height: 100vmin;
  position: absolute;
  overflow: hidden;
  transform: translate(-50%, 0%) translate3d(0, 0, 0);
  bottom: 0;
  z-index: -1;
}

.grass__blade {
  position: absolute;
}
.grass__blade--1 {
  border-right: 3vmin solid #c6ff49;
  border-top-right-radius: 50%;
  height: 148%;
  width: 100%;
  bottom: -100%;
  left: -50%;
  animation: move-blade-1 10s infinite;
}
@keyframes move-blade-1 {
  0%, 30%, 50%, 55%, 82%, 97%, 100% {
    border-top-right-radius: 50%;
  }
  20% {
    border-top-right-radius: 30%;
  }
  40% {
    border-top-right-radius: 20%;
  }
  70% {
    border-top-right-radius: 25%;
  }
  90% {
    border-top-right-radius: 35%;
  }
}
.grass__blade--2 {
  border-right: 3vmin solid #60ff7c;
  border-top-right-radius: 20%;
  height: 300%;
  width: 200%;
  bottom: -230%;
  left: -150%;
  animation: move-blade-2 10s infinite;
}
@keyframes move-blade-2 {
  0%, 30%, 50%, 55%, 82%, 97%, 100% {
    border-top-right-radius: 20%;
  }
  20% {
    border-top-right-radius: 15%;
  }
  40% {
    border-top-right-radius: 10%;
  }
  70% {
    border-top-right-radius: 10.5%;
  }
  90% {
    border-top-right-radius: 12.5%;
  }
}
.grass__blade--3 {
  border-top-left-radius: 15%;
  border-left: 3vmin solid #f0c647;
  height: 382%;
  width: 348%;
  bottom: -300%;
  left: 50%;
  animation: move-blade-3 10s infinite;
}
@keyframes move-blade-3 {
  0%, 30%, 50%, 55%, 82%, 97%, 100% {
    border-top-left-radius: 15%;
  }
  20% {
    border-top-left-radius: 22%;
  }
  40% {
    border-top-left-radius: 17.5%;
  }
  70% {
    border-top-left-radius: 18.5%;
  }
  90% {
    border-top-left-radius: 21%;
  }
}