html, body {
  width: 100%;
}

body {
  font-size: 30px;
  font-family: 'Vineta BT', cursive;
  color: #222;
  background: #222;
}

.box {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  float: left;
}
.box:hover .border {
  -webkit-transform: scale(0.94);
          transform: scale(0.94);
  -webkit-transition-duration: 140ms;
          transition-duration: 140ms;
}
.box:hover .text {
  opacity: 1;
  -webkit-transform: translate3d(0, 0, 0);
          transform: translate3d(0, 0, 0);
  -webkit-transition-duration: 140ms;
          transition-duration: 140ms;
}
.box:hover .image-wrap {
  -webkit-transform: scale(1);
          transform: scale(1);
  opacity: 1;
  -webkit-transition-duration: 140ms;
          transition-duration: 140ms;
}

.border, .text, .image {
  width: 100%;
  height: 100%;
  position: absolute;
  pointer-events: none;
}

.image-wrap {
  position: absolute;
  width: 130%;
  height: 130%;
  left: -15%;
  top: -15%;
  -webkit-transform: scale(0.8);
          transform: scale(0.8);
  -webkit-transition: 280ms ease-out;
  transition: 280ms ease-out;
  pointer-events: none;
  opacity: 0.74;
}

.border {
  left: -30px;
  top: -30px;
  border: 30px solid #222;
  box-sizing: content-box;
  -webkit-transition: 360ms ease-in-out;
  transition: 360ms ease-in-out;
}

.text {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  opacity: 0;
  -webkit-transform: translate3d(0, -4%, 0);
          transform: translate3d(0, -4%, 0);
  -webkit-transition: 280ms ease-out;
  transition: 280ms ease-out;
  text-align: center;
}

.unsplash-info {
  background: #111;
  color: #fff;
  width: 100%;
  position: fixed;
  bottom: 0px;
  font-family: Arial, sans-serif;
  font-size: 14px;
  padding: 2px 8px;
}
.unsplash-info a {
  text-decoration: none;
  color: #eee;
}

.image {
  background-size: cover;
}

/* box sizing */
.box {
  width: 100%;
  height: 100vw;
  float: left;
}

@media (min-width: 500px) {
  .box {
    width: 50%;
    height: 50vw;
  }
}
@media (min-width: 800px) {
  .box {
    width: 33.333333%;
    height: 33.33333vw;
  }
}
@media (min-width: 1200px) {
  .box {
    width: 25%;
    height: 25vw;
  }
}
/* image backgrounds */
.image-0 {
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/53148/box-image_0.jpg);
}

.image-1 {
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/53148/box-image_1.jpg);
}

.image-2 {
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/53148/box-image_2.jpg);
}

.image-3 {
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/53148/box-image_3.jpg);
}

.image-4 {
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/53148/box-image_4.jpg);
}

.image-5 {
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/53148/box-image_5.jpg);
}

.image-6 {
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/53148/box-image_6.jpg);
}

.image-7 {
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/53148/box-image_7.jpg);
}

.image-8 {
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/53148/box-image_8.jpg);
}

.image-9 {
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/53148/box-image_9.jpg);
}

.image-10 {
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/53148/box-image_10.jpg);
}

.image-11 {
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/53148/box-image_11.jpg);
}