.portfolio {
  margin-top: 9rem;
}

.item-folio { float: left; width: 25%;
  position: relative;
  overflow: hidden;
  margin: 0 !important;
  
}

@media only screen and (max-width: 767px) {
  .item-folio {
    width: 50%;
  }
}

@media only screen and (min-width:320px) and (max-width:480px) {
  .item-folio {
    width: 100% ;
  }
}









.item-folio .overlay{
    background: RGB(119, 118, 118, 0.9); padding: 0px 0 !important; z-index: 23;
}

.item-folio .cont-bx{
    position: absolute; bottom: 20px; left: 10px;
}

.item-folio .cont-bx h4{
    color: #FFB02F; font-size: 17px; font-weight: 500; letter-spacing: 1px; text-transform: capitalize;
}

.item-folio__thumb a {
  display: block; margin: -15px 0;
}

.item-folio__thumb a::before {
  display: block;
  background-color: rgba(253, 155, 35,0.85);
  content: "";
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -webkit-transition: all 0.5s ease-in-out;
  transition: all 0.5s ease-in-out;
  z-index: 1;
}

.item-folio__thumb a::after {
  z-index: 1;
  content: "+";
  font-family: sans-serif;
  font-size: 2.4rem;
  color: #FFFFFF;
  display: block;
  height: 30px;
  width: 30px;
  line-height: 30px;
  margin-left: -15px;
  margin-top: -15px;
  position: absolute;
  left: 50%;
  top: 50%;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  -webkit-transition: all 0.5s ease-in-out;
  transition: all 0.5s ease-in-out;
  -webkit-transform: scale(0.5);
  -ms-transform: scale(0.5);
  transform: scale(0.5);
}

.item-folio__thumb img {
  vertical-align: bottom; 
}

.item-folio__text {
  padding: 0 3rem;
  -webkit-transform: translate3d(0, -100%, 0);
  -ms-transform: translate3d(0, -100%, 0);
  transform: translate3d(0, -100%, 0);
  opacity: 0;
  visibility: hidden;
  -webkit-transition: all 0.5s ease-in-out;
  transition: all 0.5s ease-in-out;
  position: absolute;
  left: 0;
  top: 3.6rem;
  z-index: 2;
}

.item-folio__title {
  color: #FFFFFF;
  font-size: 1.8rem;
  margin: 0;
}

.item-folio__cat {
  color: rgba(255, 255, 255, 0.4);
  font-size: 1.4rem;
  margin-bottom: 0;
}

.item-folio__project-link {
  display: block;
  font-weight: 600;
  font-size: 1.2rem;
  color: #000000;
  background-color: #FFFFFF;
  padding: .6rem 1.2rem;
  opacity: 0;
  visibility: hidden;
  -webkit-transform: translate3d(-100%, 0, 0);
  -ms-transform: translate3d(-100%, 0, 0);
  transform: translate3d(-100%, 0, 0);
  position: absolute;
  bottom: 3.9rem;
  left: 3rem;
  z-index: 500;
}

.item-folio__project-link::before {
  display: block;
  content: "";
  height: 1px;
  width: 3rem;
  background-color: rgba(255, 255, 255, 0.3);
  position: absolute;
  top: 50%;
  left: -3rem;
}

.item-folio__project-link:hover,
.item-folio__project-link:focus,
.item-folio__project-link:active {
  background-color: #F26522;
  color: #FFFFFF;
}

.item-folio__caption {
  display: none;
}

/* on hover */
.item-folio:hover .item-folio__thumb a::before {
  opacity: 1;
  visibility: visible;
}

.item-folio:hover .item-folio__thumb a::after {
  opacity: 1;
  visibility: visible;
  -webkit-transform: scale(1);
  -ms-transform: scale(1);
  transform: scale(1);
}

.item-folio:hover .item-folio__project-link {
  opacity: 1;
  visibility: visible;
  -webkit-transform: translate3d(0, 0, 0);
  -ms-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}

.item-folio:hover .item-folio__text {
  opacity: 1;
  visibility: visible;
  -webkit-transform: translate3d(0, 0, 0);
  -ms-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}

/* ------------------------------------------------------------------- 
 * responsive:
 * works
 * ------------------------------------------------------------------- */
@media only screen and (max-width:1400px) {
  .item-folio__title {
    font-size: 1.7rem;
  }

  .item-folio__cat {
    font-size: 1.3rem;
  }

}

@media only screen and (max-width:1200px) {
  .s-works {
    padding-top: 16.2rem;
  }

  .item-folio__title {
    font-size: 1.8rem;
  }

  .item-folio__cat {
    font-size: 1.4rem;
  }

}

@media only screen and (max-width:1000px) {
  .item-folio__title {
    font-size: 1.7rem;
  }

  .item-folio__cat {
    font-size: 1.3rem;
  }

}

@media only screen and (max-width:450px) {
  .item-folio {
    width: 100% !important;
    float: none !important;
    clear: both !important;
    margin-left: 0;
    margin-right: 0;
  }

}