.widget_area ul.instagram-pics {
  margin-right: -5px;
  overflow: hidden;
}

.widget_area ul.instagram-pics li {
  float: left;
  padding: 0;
  margin: 0 5px 5px 0;
  overflow: hidden;
  width: 31%;
  height: auto;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

.widget_area ul.instagram-pics li:before {
  display: none;
}