.ch-grid {
  width: 148px;
  height: 148px;
  display: inline-block;
  position: fixed;
  left: 20px;
  top: 20px;
}

.ch-item {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  position: relative;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  cursor: default;
}

.ch-info-wrap {
  position: absolute;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  -webkit-perspective: 800px;
  -moz-perspective: 800px;
  -o-perspective: 800px;
  -ms-perspective: 800px;
  perspective: 800px;
  -webkit-transition: all 0.4s ease-in-out;
  -moz-transition: all 0.4s ease-in-out;
  -o-transition: all 0.4s ease-in-out;
  -ms-transition: all 0.4s ease-in-out;
  transition: all 0.4s ease-in-out;
  top: 20px;
  left: 20px;
  background: #f9f9f9;
  box-shadow: 0 0 0 20px rgba(255, 255, 255, 0.2), inset 0 0 3px rgba(115, 114, 23, 0.8);
}

.ch-info {
  position: absolute;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  -webkit-transition: all 0.4s ease-in-out;
  -moz-transition: all 0.4s ease-in-out;
  -o-transition: all 0.4s ease-in-out;
  -ms-transition: all 0.4s ease-in-out;
  transition: all 0.4s ease-in-out;
  -webkit-transform-style: preserve-3d;
  -moz-transform-style: preserve-3d;
  -o-transform-style: preserve-3d;
  -ms-transform-style: preserve-3d;
  transform-style: preserve-3d;
}

.ch-info>div {
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-position: center center;
  -webkit-backface-visibility: hidden;
  -moz-backface-visibility: hidden;
  -o-backface-visibility: hidden;
  -ms-backface-visibility: hidden;
  backface-visibility: hidden;
}

.ch-info .ch-info-back {
  -webkit-transform: rotate3d(0, 1, 0, 180deg);
  -moz-transform: rotate3d(0, 1, 0, 180deg);
  -o-transform: rotate3d(0, 1, 0, 180deg);
  -ms-transform: rotate3d(0, 1, 0, 180deg);
  transform: rotate3d(0, 1, 0, 180deg);
  background: #cccccc;
}

.ch-img-1 {
  background-image: url(../../images/ecology/back.jpg);
}

.ch-info h3 {
  color: #335b4b;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin: 36px 15px;
  text-align: center;
  height: 90px;
  font: bold 14px Gilroy-Light;
}

.ch-item:hover .ch-info-wrap {
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.8), inset 0 0 3px rgba(115, 114, 23, 0.8);
}

.ch-item:hover .ch-info {
  -webkit-transform: rotate3d(0, 1, 0, -180deg);
  -moz-transform: rotate3d(0, 1, 0, -180deg);
  -o-transform: rotate3d(0, 1, 0, -180deg);
  -ms-transform: rotate3d(0, 1, 0, -180deg);
  transform: rotate3d(0, 1, 0, -180deg);
}