html, body{
    font-size: 100%;
	background:	#fff;
	font-family: 'Roboto', sans-serif;
}
.gallery h3{
  font-size: 2em;
  color:#0098A9;
  padding: 2.5em 0 1.5em 0;
}
.portfolio-item {
  margin-bottom: 30px; 
}
.portfolio-item .portfolio-thumb {
  position: relative;
  overflow: hidden;
  height:200px; width: 100%;
}
.portfolio-item .portfolio-thumb img {
  width:auto; height:100%; 
}
.portfolio-item .portfolio-thumb .portfolio-overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  opacity: 0;
  visibility: hidden;
  -webkit-filter: grayscale(100%);
  -webkit-transition: all 200ms ease-in-out;
  -moz-transition: all 200ms ease-in-out;
  transition: all 200ms ease-in-out;
}
.portfolio-item .portfolio-thumb .portfolio-overlay a.expand {
  width: 100%;
  height: 100%;
  background-color: white;
  display: inline-block;
  overflow:hidden;
}
.portfolio-item .portfolio-thumb:hover .portfolio-overlay {
  opacity: .5;
  visibility: visible; 
} 
}
@media (max-width:860px){
.portfolio-item .portfolio-thumb img {
}
}