.gear-box {
  position: relative;
  width: 86%;
  margin: 40px auto;
  overflow: hidden;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.gear-box > .outer {
  padding-bottom: 100%;
}
.gear-box > .outer > .inner {
  position: absolute;
  width: 100%;
  height: 100%;
}
.gear-box .gear-item {
  fill: #377C78;
  text-anchor: middle;
}
.gear-box .gear-item .title {
  font-size: 46px;
  opacity: 1;
}
.gear-box .gear-item .subtitle {
  font-size: 36px;
  opacity: 0;
  fill: #377C78;
}
.gear-box .gear-item .subtitle:hover {
  fill: #8AB647;
}
.gear-box .gear-item:hover .title {
  display: none;
  opacity: 0;
}
.gear-box .gear-item:hover .subtitle {
  font-size: 36px;
  opacity: 1;
}