.portfolioFilter {
  padding: 15px 0;
}

.portfolioFilter a {
  margin-right: 6px;
  color: #666;
  text-decoration: none;
  border: 1px solid #ccc;
  padding: 4px 15px;
  border-radius: 50px;
  display: inline-block;
}

.portfolioFilter a.current {
  background: #1e1e1e;
  border: 1px solid #1e1e1e;
  color: #f9f9f9;
}
.portfolioContainer{
  border: 1px solid #eee;
  border-radius: 3px;
}
 

.isotope-item {
  z-index: 2;
}

.isotope-hidden.isotope-item {
  pointer-events: none;
  z-index: 1;
}

.isotope,
.isotope .isotope-item {
  /* change duration value to whatever you like */
  -webkit-transition-duration: 0.8s;
  -moz-transition-duration: 0.8s;
  transition-duration: 0.8s;
}

.isotope {
  -webkit-transition-property: height, width;
  -moz-transition-property: height, width;
  transition-property: height, width;
}

.isotope .isotope-item {
  -webkit-transition-property: -webkit-transform, opacity;
  -moz-transition-property: -moz-transform, opacity;
  transition-property: transform, opacity;
}