CSS Box/shadow overlapping issue z-index

Question

Please take a look at the code snippet: http://codepen.io/anon/pen/JItLa

I\'m trying to show 2 rows of blocks with different amount of items in a row. The hover even

Answer 1

Add the following CSS, if you do not need the gap between the divs.

.wrapper {
  text-align: center;
  font-size: 0px;
}
.tile,
.tile2 {
  display: inline-block;
}
.tile:hover,
.tile2:hover {
  z-index: 1;
  position: relative;
}
.header {
  font-size: 12px;
}
`