@-moz-keyframes gradient {
  0% {
    background-position: 14% 0%;
  }
  50% {
    background-position: 87% 100%;
  }
  100% {
    background-position: 14% 0%;
  }
}
@-webkit-keyframes gradient {
  0% {
    background-position: 14% 0%;
  }
  50% {
    background-position: 87% 100%;
  }
  100% {
    background-position: 14% 0%;
  }
}
@keyframes gradient {
  0% {
    background-position: 14% 0%;
  }
  50% {
    background-position: 87% 100%;
  }
  100% {
    background-position: 14% 0%;
  }
}
.anim-grad-box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg, #dffaf9, #ffcbce, #dffaf9);
  background-size: 400% 400%;
  -moz-animation: gradient 4s ease-in-out infinite;
  -webkit-animation: gradient 4s ease-in-out infinite;
  animation: gradient 4s ease-in-out infinite;
}

html {
  font-size: 4.2vmin;
  margin: 0.5em;
  text-align: center;
}

h1 {
  font-size: 1rem;
  font-weight: 300;
  color: lightgray;
}

h3 {
  -moz-user-select: -moz-none;
  -ms-user-select: none;
  -webkit-user-select: none;
  user-select: none;
  border-bottom: 1px solid transparent;
  color: navy;
  font-size: 2rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-block;
  line-height: 1.5;
}
h3:hover {
  color: #77A;
}

h5, a {
  display: block;
  color: navy;
  cursor: pointer;
  font-style: oblique;
  font-weight: 100;
  text-decoration: none;
}
h5:hover, a:hover {
  text-decoration: underline;
}