.wrapper .icon{
  position: relative;
  background-color: #ffffff;
  border-radius: 50%;
  margin: 10px;
  width: 50px;
  height: 50px;
  line-height: 50px;
  font-size: 22px;
  display: inline-block;
  align-items: center;
  box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  color: #333;
  text-decoration: none;
}
.wrapper .tooltip {
  position: absolute;
  top: 0;
  line-height: 1.5;
  font-size: 14px;
  background-color: #ffffff;
  color: #ffffff;
  padding: 5px 8px;
  border-radius: 5px;
  box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.wrapper .tooltip::before {
  position: absolute;
  content: "";
  height: 8px;
  width: 8px;
  background-color: #ffffff;
  bottom: -3px;
  left: 50%;
  transform: translate(-50%) rotate(45deg);
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.wrapper .icon:hover .tooltip {
  top: -45px;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.wrapper .icon:hover span,
.wrapper .icon:hover .tooltip {
  text-shadow: 0px -1px 0px rgba(0, 0, 0, 0.1);
}
.wrapper .facebook:hover,
.wrapper .facebook:hover .tooltip,
.wrapper .facebook:hover .tooltip::before {
  background-color: #3b5999;
  color: #ffffff;
}

.wrapper .instagram:hover,
.wrapper .instagram:hover .tooltip,
.wrapper .instagram:hover .tooltip::before {
  background-color: #e1306c;
  color: #ffffff;
}

.wrapper .whatsapp:hover,
.wrapper .whatsapp:hover .tooltip,
.wrapper .whatsapp:hover .tooltip::before {
  background-color: #green;
  color: #white;
}
body {
        font-family: 'lato', sans-serif;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    section {
        height: 100vh;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
    }

    @media (min-width: 45em) {
        section {
            flex-wrap: nowrap;
        }
    }

    .card {
        position: relative;
        width: 250px;
        height: 300px;
        margin: 10px;
        background: #CCC;
        transform: rotateX(0) rotateY(0);
        transform-style: preserve-3d;
        transition-duration: 0.1s;
        transition-timing-function: ease !important;
        backface-visibility: hidden;
        will-change: tranform;
    }

    .card__overlay {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background: url(http://alexandrebuffet.fr/codepen/parallax-cards/blur-overlay.jpg) no-repeat center center;
        background-size: cover;
        mix-blend-mode: lighten;
        opacity: 0.5;
    }

    .card__image img {
        max-width: 100%;
        width: 250px;
        height: 300px;
        mix-blend-mode: lighten;
    }

    .card__heading {
        position: absolute;
        bottom: 20px;
        left: 20px;
        width: 100%;
        color: #FFF;
    }

    .card__heading .small {
        display: inline-block;
        margin-bottom: 5px;
        text-transform: uppercase;
        font-size: 10px;
        transform: translateZ(15px);
    }

    .card__heading h2 {
        margin: 0;
        transform: translateZ(30px);
    }

    .card.is-out {
        transform: rotateX(0) rotateY(0) !important;
        transition-duration: 1s;
    }

    #card-1 {
        background-color: #424242;
    }

    #card-2 {
        background-color: #424242;
    }

    #card-3 {
        background-color: #424242;
    }

    #card-4 {
        background-color: #424242;
    }