* {
    box-sizing: border-box;
}

body {
    color: #333a45;
    padding: 0;
    margin: 0;
    font-family: 'Fira Sans', sans-serif;
    padding-top: 0;
}

h2 {
    font-weight: 600;
    margin: 0px;
}

p {
    font-size: 20px;
    font-weight: 300;
    line-height: 36px;
}

.contenido {
    width: 100%;
    margin: auto;
    position: relative;
}

.wrapper {
    margin: 5em auto;
    max-width: 1000px;
    background-color: #fff;
    box-shadow: 0 0 5px 0 rgba(0, 0, 0, 0.06);
}

.header {
    padding: 30px 30px 0;
    text-align: center;
}

.header__title {
    margin: 0;
}

.header__subtitle {
    margin: 0;
}

.cards {
    display: flex;
    flex-flow: row wrap;
    width: 100%;
}

.card {
    width: calc((100% / 5));
    transition: all 0.2s ease-in-out;
}

@media screen and (max-width: 691px) {
    .card {
        width: calc((100% / 2) - 30px);
    }
}

@media screen and (max-width: 767px) {
    .card {
        width: 100%;
    }
    .contenido {
        width: 100%;
    }
}

@media screen and (max-width: 967px) {
    .contenido {
        width: 100%;
    }
}

.card:hover .card__inner {
    background-color: #1abc9c;
    /*    -webkit-transform: scale(1.05);
    transform: scale(1.05);*/
}

.card__inner {
    width: 100%;
    position: relative;
    cursor: pointer;
    background-color: #949fb0;
    color: #eceef1;
    font-size: 1.5em;
    text-align: center;
    transition: all 0.2s ease-in-out;
}

.card__inner img {
    width: 100%;
    -webkit-filter: grayscale(100%);
    /* Safari 6.0 - 9.0 */
    filter: grayscale(100%);
}

.card__inner img:hover {
    width: 100%;
    -webkit-filter: grayscale(0%);
    /* Safari 6.0 - 9.0 */
    filter: grayscale(0%);
}

.is-expanded img {
    -webkit-filter: grayscale(0%);
    /* Safari 6.0 - 9.0 */
    filter: grayscale(0%);
}

.card__inner:after {
    transition: all 0.1s ease-in-out;
}

.card__inner .fa {
    width: 100%;
    margin-top: .25em;
}

.card__expander {
    transition: all 0.2s ease-in-out;
    background-color: #FFF;
    width: 100%;
    position: relative;
    justify-content: center;
    align-items: center;
    color: #000;
    position: absolute;
    left: 0;
    z-index: 1;
}

.card__expander .fa {
    font-size: 24px;
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
}

.card__expander .fa:hover {
    opacity: 0.9;
}

.card.is-collapsed .card__inner:after {
    content: "";
    opacity: 0;
}

.card.is-collapsed .card__expander {
    max-height: 0;
    min-height: 0;
    overflow: hidden;
    margin-top: 0;
    opacity: 0;
}

.card.is-expanded .card__inner {
    background-color: #1abc9c;
}

.card.is-expanded .card__inner:after {
    content: "";
    opacity: 1;
    display: block;
    height: 0;
    width: 0;
    position: absolute;
    bottom: 0;
    left: calc(50% - 15px);
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-bottom: 15px solid #FFF;
}

.card.is-expanded .card__inner .fa:before {
    content: "\f115";
}

.card.is-expanded .card__expander {
    overflow: visible;
    margin-top: 0px;
    opacity: 1;
    padding: 40px;
    box-shadow: 0 0 30px rgba(0, 0, 0, .1);
}

.card.is-expanded:hover .card__inner {
    -webkit-transform: scale(1);
    transform: scale(1);
}

.card.is-inactive .card__inner {
    pointer-events: none;
    opacity: 0.2;
}

.card.is-inactive:hover .card__inner {
    background-color: #949fb0;
    -webkit-transform: scale(1);
    transform: scale(1);
}