index.css

.main {
  display: flex;
  justify-content: center;
  flex-direction: column;
  border: 5px solid rgba(56, 54, 54, 0.25);
  padding: 0.5em;
  padding-bottom: 0;
  margin: 0 auto;
  margin-top: 5vh;
}

.header {
  display: flex;
  justify-content: center;
  text-transform: uppercase;
  font-size: 1.5vw;
}

.title {
  display: flex;
  justify-content: center;
}

.lg-heading {
  display: inline-block;
}

.sm-heading {
  display: inline-block;
  font-size: 2.5vw;
}

.icons {
  display: flex;
  justify-content: space-around;
  flex-direction: row;
  margin-top: 0.5em !important;
  margin-bottom: 0.5em !important;
}

.icon {
  display: flex;
  justify-content: center;
}

.more-info {
  display: flex;
  padding: 0;
  margin: 0;
  justify-content: center;
  align-content: center;
  width: 100%;
  flex-flow: wrap;
  text-transform: uppercase;
}

.more-info a{
  display: flex;
  color: black;
  padding: 0.5em;
  margin: 0;
  justify-content: center;
  align-content: center;
  width: 100%;
  flex-flow: wrap;
  border: 0.25px solid rgba(56, 54, 54, 0.25);
  cursor: pointer;
}

a {
  text-decoration: none !important;
}

.more-infos a:hover {
  color: white;
  background: black;
   transition: all 1s ease-out;
}

.lg-heading {
  font-size: 3em;
}

.icons a{
  color:black;
  display: inline-block;
}

.icons a:hover {
  color: #e61e1e;
  transition: all 1s ease-out;
}

.card-img-top {
  height: 15em;
  width: 5em;
  border: 2px solid grey;
  opacity: 0.5;
  transition: all 1s ease-out;
}

.card-img-top:hover {
  opacity: 1;
}

.card{
  margin: 2%;
}

.card-title a:link {
  text-decoration: none !important;
}

.card-title a{
  color: black;
  transition: all 0.5s ease-out;
  padding: 0 0.1em;
}

.card-title a:hover {
  color: rgb(202, 194, 194);
  background:black;
}

.tuna {
  animation: walk-cycle 1s steps(12) infinite;
  background: url(http://stash.rachelnabors.com/img/codepen/tuna_sprite.png) 0 0 no-repeat; 
  height: 200px;
  width: 400px;
  position: absolute;
  bottom: 1px;
  left: 50%;
  margin-left: -200px;
  transform: translateZ(0); /* offers a bit of a performance boost by pushing some of this processing to the GPU in Safari*/
}

@keyframes walk-cycle {  
  0% {background-position: 0 0; } 
  100% {background-position: 0 -2391px; } 
}

.foreground, .midground, .background {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0; left: 0;
  translate3d(0,0,0); 
}

.foreground {
  animation: parallax_fg linear 10s infinite both;
  background: url(http://stash.rachelnabors.com/24ways2012/foreground_grass.png) 0 100% repeat-x;
  z-index: -1;
}

@keyframes parallax_fg {  
  0% { background-position: -3584px 100%;} 
  100% {background-position: 0 100%; } 
}

.midground {
  animation: parallax_mg linear 20s infinite;
  background:  url(http://stash.rachelnabors.com/24ways2012/midground_grass.png) 0 100% repeat-x;
  z-index: -2;
}

@keyframes parallax_mg {  
  0% { background-position: -3000px 100%;} 
  100% {background-position: 0 100%; } 
}

.background {
  background-image:
    url(http://stash.rachelnabors.com/24ways2012/background_mountain5.png),
    url(http://stash.rachelnabors.com/24ways2012/background_mountain4.png),
    url(http://stash.rachelnabors.com/24ways2012/background_mountain3.png),
    url(http://stash.rachelnabors.com/24ways2012/background_mountain2.png),
    url(http://stash.rachelnabors.com/24ways2012/background_mountain1.png);
  background-repeat: repeat-x;
  background-position: 0 100%;
  z-index: -3;
  animation: parallax_bg linear 40s infinite;
}

@keyframes parallax_bg {
  100% { background-position-x: 2400px, 2000px, 1800px, 1600px, 1200px;}
}

body {
    background: linear-gradient(top, rgba(255,255,255,1) 0%,rgba(255,255,255,0) 100%),
    #d2d2d2 url(http://stash.rachelnabors.com/24ways2012/background_clouds.png);
}