tinder.css

/* Design of a card */
.card {
  font-size: 14px;
  line-height: 200px;
  text-align:center;
  width: 150px;
  height: 200px;
  display: block;
  background: #666;
  -webkit-transform-origin: 50% 99%;
  transform-origin: 50% 99%;
}
.cardcontainer {
  padding: 10px;
  text-align: center;
  width: 150px;
}

/* List functionality */
.list .cardlist {
  margin: 0;
  padding: 0;
}
.tinderesque .list .card {
  display: none;
}
.tinderesque .list .current {
  display: block;
}

/* Button designs */

.but-nope, .but-yay, .nopes, .yays {
  display: none;
}

.tinderesque .but-nope, .tinderesque .but-yay,
.tinderesque .nopes, .tinderesque .yays {
  display: inline-block;
}

button {
  background: #0c0;
  border: none;
  color: #fff;
  border-radius: 50% 50%;
  width: 30px;
  height: 30px;
  line-height: 30px;
  margin: 0 .5em;
  display: inline-block;
}
button:focus {
  outline: 0;
  background: #0f0;
}
.but-nope {
  background: #c00;
}
.but-nope:focus {
  outline: 0;
  background: #f00;
}

.tinderesque .cardcontainer.yes .card {
  -webkit-animation: yay 0.7s ease-out;
  animation: yay 0.7s ease-out;
}
.tinderesque .cardcontainer.nope .card {
  -webkit-animation: nope 0.7s ease-out;
  animation: nope 0.7s ease-out;
}


/*
  Animations, isn't it 'fun' to repeat all of that, just for Safari? :)
*/

@keyframes yay {
  from {
    transform: rotate(0deg);
    opacity: 1;
  }
  to {
    transform: rotate(40deg) translateY(-80px);
    opacity: 0;
  }
}

@-webkit-keyframes yay {
  from {
    -webkit-transform: rotate(0deg);
    opacity: 1;
  }
  to {
    -webkit-transform: rotate(40deg) translateY(-80px);
    opacity: 0;
  }
}

@keyframes nope {
  from {
    transform: rotate(0deg);
    opacity: 1;
  }
  to {
    transform: rotate(-40deg) translateY(-80px);
    opacity: 0;
  }
}

@-webkit-keyframes nope {
  from {
    -webkit-transform: rotate(0deg);
    opacity: 1;
  }
  to {
    -webkit-transform: rotate(-40deg) translateY(-80px);
    opacity: 0;
  }
}