.row {
  display: flex;
  flex-wrap: wrap;
  padding: 0 4px;
}

/* Create four equal columns that sits next to each other */
.column {
  flex: 33%;
  max-width: 33%;
  padding: 0 4px;
}

.column > img:active {
    transform: scale(1.5); /* Enlarge the image on hover */
    z-index: 99; /* Bring the hovered image to the top */
}

.column img {
  margin-top: 8px;
  vertical-align: middle;
  width: 100%;
}

/* Responsive layout - makes a two column-layout instead of four columns */
@media screen and (max-width: 800px) {
  .column {
    flex: 50%;
    max-width: 50%;
  }
}

/* Responsive layout - makes the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 600px) {
  .column {
    flex: 100%;
    max-width: 100%;
  }
}

.icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.float{
  position:fixed;
  width:60px;
  height:60px;
  bottom:40px;
  right:40px;
  background-color:#25d366;
  color:#FFF;
  border-radius:50px;
  text-align:center;
  font-size:30px;
  box-shadow: 2px 2px 3px #999;
  z-index:100;
}

.my-float{
  margin-top:16px;
}