*{
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box;
                    box-sizing: border-box;
}

h1{
    font-size: 2.5rem;
    font-family: 'Montserrat';
    font-weight: normal;
    color: #444;
    text-align: center;
    margin: 2rem 0;
}

.wrapper{
    width: 90%;
    margin: 0 auto;
    max-width: 80rem;
}

.cols{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
            flex-wrap: wrap;
    -webkit-box-pack: center;
            -ms-flex-pack: center;
                    justify-content: center;
}

.col{
    width: calc(25% - 2rem);
    margin: 1rem;
    cursor: pointer;
}

.container{
    -webkit-transform-style: preserve-3d;
                    transform-style: preserve-3d;
    -webkit-perspective: 1000px;
            perspective: 1000px;
}

.front,
.back{
    background-size: cover;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.25);
    border-radius: 10px;
    background-position: center;
    -webkit-transition: -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
    transition: -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
    -o-transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
    transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
    transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1), -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
    -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
    text-align: center;
    min-height: 280px;
    height: auto;
    border-radius: 10px;
    color: #fff;
    font-size: 1.5rem;
}

.back{
    background: #cedce7;
    background: -webkit-linear-gradient(45deg,  #cedce7 0%,#596a72 100%);
    background: -o-linear-gradient(45deg,  #cedce7 0%,#596a72 100%);
    background: linear-gradient(45deg,  #cedce7 0%,#596a72 100%);
}

.front:after{
    position: absolute;
        top: 0;
        left: 0;
        z-index: 1;
        width: 100%;
        height: 100%;
        content: '';
        display: block;
        opacity: .6;
        background-color: #000;
        -webkit-backface-visibility: hidden;
                        backface-visibility: hidden;
        border-radius: 10px;
}
.container:hover .front,
.container:hover .back{
        -webkit-transition: -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
        transition: -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
        -o-transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
        transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
        transition: transform .7s cubic-bezier(0.4, 0.2, 0.2, 1), -webkit-transform .7s cubic-bezier(0.4, 0.2, 0.2, 1);
}

.back{
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
}

.inner{
        -webkit-transform: translateY(-50%) translateZ(60px) scale(0.94);
                        transform: translateY(-50%) translateZ(60px) scale(0.94);
        top: 50%;
        position: absolute;
        left: 0;
        width: 100%;
        padding: 2rem;
        -webkit-box-sizing: border-box;
                        box-sizing: border-box;
        outline: 1px solid transparent;
        -webkit-perspective: inherit;
                        perspective: inherit;
        z-index: 2;
}

.container .back{
        -webkit-transform: rotateY(180deg);
                        transform: rotateY(180deg);
        -webkit-transform-style: preserve-3d;
                        transform-style: preserve-3d;
}

.container .front{
        -webkit-transform: rotateY(0deg);
                        transform: rotateY(0deg);
        -webkit-transform-style: preserve-3d;
                        transform-style: preserve-3d;
}

.container:hover .back{
    -webkit-transform: rotateY(0deg);
                    transform: rotateY(0deg);
    -webkit-transform-style: preserve-3d;
                    transform-style: preserve-3d;
}

.container:hover .front{
    -webkit-transform: rotateY(-180deg);
                    transform: rotateY(-180deg);
    -webkit-transform-style: preserve-3d;
                    transform-style: preserve-3d;
}

.front .inner p{
    font-size: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.front .inner p:after{
    content: '';
    width: 4rem;
    height: 2px;
    position: absolute;
    background: #C6D4DF;
    display: block;
    left: 0;
    right: 0;
    margin: 0 auto;
    bottom: -.75rem;
}

.front .inner span{
    color: rgba(255,255,255,0.7);
    font-family: 'Montserrat';
    font-weight: 300;
}

@media screen and (max-width: 64rem){
    .col{
        width: calc(33.333333% - 2rem);
    }
}

@media screen and (max-width: 48rem){
    .col{
        width: calc(50% - 2rem);
    }
}

@media screen and (max-width: 32rem){
    .col{
        width: 100%;
        margin: 0 0 2rem 0;
    }
}