styles.css

html, body {
  min-height: 100%;
  height: 100vh;
  overflow: hidden;
}


body {
    background-image: url(assets/background.jpg);
    background-repeat: no-repeat;
    background-size: cover;
}

@media screen and (max-width: 1280px) {
    body {
      background-attachment: fixed;
    }
  }

.snow::before, .snow::after {
  position: absolute;
  top: -650px;
  left: 0;
  bottom: 0;
  right: 0;
  background-image: 
  radial-gradient(4px 4px at 100px 50px, #fff , transparent), 
  radial-gradient(6px 6px at 200px 150px, #fff, transparent), 
  radial-gradient(3px 3px at 300px 250px, #fff 50%, transparent), 
  radial-gradient(4px 4px at 400px 350px, #fff 50%, transparent), 
  radial-gradient(6px 6px at 500px 100px, #fff 50%, transparent), 
  radial-gradient(3px 3px at 50px 200px, #fff 50%, transparent), 
  radial-gradient(4px 4px at 150px 300px, #fff 50%, transparent), 
  radial-gradient(6px 6px at 250px 400px, #fff 50%, transparent), 
  radial-gradient(3px 3px at 350px 500px, #fff 50%, transparent);
  background-size: 650px 650px;
  animation: snow 3s linear infinite;
  content: "";
}

.snow:before {
	margin-left: -350px;
  opacity: 0.7;
  filter: blur(1px);
  animation-duration: 9s;
  animation-direction: reverse;
}

.snow:after {
  margin-left: -250px;
  opacity: 0.5;
  filter: blur(2px);
  animation-duration: 6s;
  animation-direction: reverse;
}

@keyframes snow {
  to {
    transform: translateY(650px);
  }
}

.link {
  position: relative;
  background-color: transparent;
  color: white;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  border: solid black;
  border-radius: 30px;
  font-size: 1rem;
  text-align: center;
  display: block;
  margin-left: 10px;
  margin-right: 10px;
  margin-bottom: 10px;
  padding: 10px; /* 17px */
  text-decoration:none;
  /* transition: all .25s cubic-bezier(.08, .59, .29, .99); */
  -webkit-tap-highlight-color: transparent;
}

#links {
  max-width: 675px;
  width: auto;
  display: block;
  margin: 27px auto;
  color:white;
}

@media (hover: hover) {
  .link:hover {
      background-color: #fff;
      color: black;
      text-decoration: none;
  }
}

.link:active {
  background-color: var(--accentColor);
  color: var(--bgColor);
}