*{
  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: 600px;
    max-width: 80rem;
    position: relative;
    left: 50%;
    margin-left: -300px;
    top: 50%;
    margin-top: -200px;
}

.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;
	background-position: center;
	-webkit-transition: -webkit-transform 2s cubic-bezier(0.4, 0.2, 0.2, 1);
	transition: -webkit-transform 2s cubic-bezier(0.4, 0.2, 0.2, 1);
	-o-transition: transform 2s cubic-bezier(0.4, 0.2, 0.2, 1);
	transition: transform 2s cubic-bezier(0.4, 0.2, 0.2, 1);
	transition: transform 2s cubic-bezier(0.4, 0.2, 0.2, 1), -webkit-transform 2s cubic-bezier(0.4, 0.2, 0.2, 1);
	-webkit-backface-visibility: hidden;
	        backface-visibility: hidden;
	text-align: center;
	min-height: 280px;
	height: auto;
	color: #fff;
	font-size: 1.5rem;
    border: 14px solid hsla(0,0%,100%,.2);
    border-top-left-radius: 20px;
    border-bottom-right-radius: 20px;
    background-color: rgba(0,0,0,.5);
}
.back{
  background: rgba(0,0,0,0.8);
}
.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 2s cubic-bezier(0.4, 0.2, 0.2, 1);
    transition: -webkit-transform 2s cubic-bezier(0.4, 0.2, 0.2, 1);
    -o-transition: transform 2s cubic-bezier(0.4, 0.2, 0.2, 1);
    transition: transform 2s cubic-bezier(0.4, 0.2, 0.2, 1);
    transition: transform 2s cubic-bezier(0.4, 0.2, 0.2, 1), -webkit-transform 2s 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: 36px;
    position: relative;
    font-weight: bold;
}
.front .inner span:after{
  content: '';
  width: 4rem;
  height: 2px;
  position: absolute;
  background: #fff;
  display: block;
  left: 0;
  right: 0;
  margin: 0 auto;
  bottom: 20px;
}
.front .inner span{
  color: #fff;
  font-weight: 300;
}
.inner .inner-talk{
    display: block;
    width: 150px;
    height: 40px;
    border: 1px solid #feae0b;
    border-radius: 5px;
    overflow: hidden;
    line-height: 38px;
    margin: 0 auto;
    font-size: 16px;
    transition: all 0.9s;
    color: #feae0b;
}
.inner .inner-talk:hover{
    transition: all 0.9s;
    background: #feae0b;
    color: #fff;
    text-decoration: none;
}
@media (max-width: 650px){
    .wrapper {
        width: 90%;
        margin: 0 auto;
        left: 0;
        top: 20%;
    }
}