html body {
    font-family: 'Roboto Slab';
    font-weight: ;    
}
                #pix-portfolio .isotope-frame .x-item  {
}
#pix-portfolio  .portfolio-image , #pix-portfolio .isotope-frame .x-item {
}
.sticky {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    width: 100%;
}