.btn-default.hover {\n  background-color: #e9ecef;\n  color: #2b2b2b;\n}\n\n.btn-app {\n  border-radius: 3px;\n  background-color: #f8f9fa;\n  border: 1px solid #ddd;\n  color: #6c757d;\n  font-size: 12px;\n  height: 60px;\n  margin: 0 0 10px 10px;\n  min-width: 80px;\n  padding: 15px 5px;\n  position: relative;\n  text-align: center;\n}\n\n.btn-app > .fa,\n.btn-app > .fas,\n.btn-app > .far,\n.btn-app > .fab,\n.btn-app > .glyphicon,\n.btn-app > .ion {\n  display: block;\n  font-size: 20px;\n}\n\n.btn-app:hover...