.row {
  display: -ms-flexbox; /* IE10 */
  display: flex;
  -ms-flex-wrap: wrap; /* IE10 */
  flex-wrap: wrap;
  padding: 0 4px;
}

/* Create four equal columns that sits next to each other */
.column {
  -ms-flex: 20%; /* IE10 */
  flex: 20%;
  max-width: 20%;
  padding: 0px 0px 8px;
  text-align: center;
  font-weight: lighter;
  box-shadow: 0px 0px 1px 0px #888888; 
  text-decoration: none;
}

.column img {
  margin: 1px;
  vertical-align: middle;
  width: 100%;
}
  
  
.column a {
  text-decoration: none;
  display: inline-block;
}

/* Responsive layout - makes a two column-layout instead of four columns */
@media screen and (max-width: 760px) {
  .column {
    -ms-flex: 25%;
    flex: 25%;
    max-width: 25%;
  }
}

/* Responsive layout - makes a two column-layout instead of four columns */
@media screen and (max-width: 660px) {
  .column {
    -ms-flex: 33%;
    flex: 33%;
    max-width: 33%;
  }
}


/* Responsive layout - makes a two column-layout instead of four columns */
@media screen and (max-width: 500px) {
  .column {
    -ms-flex: 50%;
    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: 300px) {
  .column {
    -ms-flex: 100%;
    flex: 100%;
    max-width: 100%;
  }
}