.full-width-case-study{
    background: rgb(245, 245, 245);
    margin-bottom: -25px;
}
.portfolio-main.portfolio-full_width_spacing .filter{
    padding-left: 4%;
    padding-right: 4%;
}
.portfolio-main.portfolio-full_width_spacing .portfolio-col-3 .filter{
    padding-left: 0px;
    padding-right: 0px;
}
.portfolio-full_width_spacing.full-width-content .isotope-item {
    width: 16.8%;
}
.portfolio-full_width_spacing.full-width-content .portfolio-col-3 .isotope-item {
    width: 30.99%;
    margin: 0 15px 2% 0;
}
.portfolio-full_width_spacing.full-width-content .portfolio-col-3 .portfolio-isotope-container:last-child{
    margin-right: 0px;
}
.portfolio-item .portfolio-img .custom-shape {
      display: block;
      width: 100%;
      background: red;
      position: relative;
      background-position: center top;
      -webkit-background-size: cover;
      background-size: cover;
}
.portfolio-item {
    position: relative;
}
.isotope-item {
    width: 29.33333%;
    z-index: 2;
    overflow: hidden;
}
.portfolio-main .isotope-item {
    margin: 0 1% 2%;
}
.portfolio-item .portfolio-info {
    display: block;
    position: absolute;
    color: #222;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 15;
    -webkit-transition: background .2s ease-out;
    text-decoration: none;
    transition: background .2s ease-out;
}
.portfolio-item .portfolio-title {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    padding: 0 10%;
    margin-top: -16px;
    -webkit-backface-visibility: hidden;
    -webkit-transition: opacity .2s ease-out;
    transition: opacity .2s ease-out;
    text-align: center;
    opacity: 0;
}
.portfolio-item .portfolio-title h6 {
    margin: 0;
}
.portfolio-item:hover .portfolio-title {
    opacity: 1;
}
.portfolio-main .portfolio-item:hover .portfolio-info {
    color: #fff;
    background: #000;
    background: rgba(0, 0, 0, .5);
}
.portfolio-main .filter h4 {
    margin-top: 0;
    margin-bottom: 2px;
    float: left;
    max-width: 50%;
    color: #222222;
    font-weight: 600;
    font-size: 22px;
    line-height: 26px;
}
.portfolio-main .portfolio-col-3 .filter h4{
    color: #0093BD;
    text-transform: uppercase;
    font-weight: 600;
}
.portfolio-main .filter ul.btns {
    line-height: 22px;
    font-size: 14px;
    margin: 4px 0 0;
    padding-left: 0!important;
    float: right;
    max-width: 50%;
}
.portfolio-main .filter {
    text-align: left;
    padding: 42px 0 33px;
}
.clearfix:before, .clearfix:after {
    content: "";
    display: table;
}
.clearfix:after {
    clear: both;
}
.portfolio-main .filter .btns li {
    margin: 0;
    display: inline-block;
}
.portfolio-main .filter .btns li a:hover {
    color: #222;
}
.portfolio-main .filter .btns li a {
    padding: 0px 10px;
    color: #b0b0b0;
    text-decoration: none;
    border-bottom: 0;
    text-transform: uppercase;
    font-size: 11px;
    font-weight: 600;
    line-height: 16px;
}
.portfolio-main.portfolio-full_width_spacing .portfolio-isotope-container {
    margin: 0;
    padding: 0 3%;
}
.portfolio-main.portfolio-full_width_spacing .portfolio-col-3 .portfolio-isotope-container{
    padding: 0;
}
.full-width-case-study .portfolio-col-3 .portfolio-wrapper {
    padding-bottom: 50px;
}

/* --- resposnsive ---- */

@media only screen and (min-width: 1700px) {
    .portfolio-full_width_spacing.full-width-content .isotope-item{
        width:16.8%	
    }
}
@media only screen and (min-width: 1400px) and (max-width: 1700px) {
    .portfolio-full_width_spacing.full-width-content .isotope-item{
        width:21.5%	
    }
}
@media only screen and (min-width: 1023px) and (max-width: 1400px) {
    .portfolio-full_width_spacing.full-width-content .isotope-item{
        width:29.33333%
    }
}
@media only screen and (min-width: 767px) and (max-width: 1023px) {
    .portfolio-main.portfolio-full_width_spacing .portfolio-isotope-container {
        padding: 0 2.5%;
    }
    .portfolio-full_width_spacing.full-width-content .isotope-item {
        width: 44.5%;
        margin: 0 1.5% 3%;
    }
    .portfolio-full_width_spacing.full-width-content .portfolio-col-3 .isotope-item {
        width: 48%;
        margin-bottom: 49px!important;
        margin-right: 30px;
    }
    .portfolio-full_width_spacing.full-width-content .portfolio-col-3 .portfolio-isotope-container > div:nth-child(even){
        margin-right: 0px;
    }
    .full-width-case-study .container{
        max-width: 100%;
        padding: 0 37px;
    }
    
}
@media only screen and (max-width:1023px){
    .portfolio-main.portfolio-full_width_spacing .filter{
        width: 100%;
        max-width: 620px;
        margin-left: auto;
        margin-right: auto;
    }
    .portfolio-main .filter h4 {
        text-align: center;
        float: none;
        max-width: none;
    }
    .portfolio-main .filter ul.btns {
        margin: 19px 0 1px;
        text-align: center;
        float: none;
        max-width: none;
    }
    .portfolio-main:not(.under) .portfolio-item .portfolio-info{
        display: block;
        position: relative;
        margin-top: 19px;
        width: 100%;
        height: auto;
        z-index: 15;
        -webkit-transition: background .2s ease-out;
        transition: background .2s ease-out;
        background-color: transparent;
    }
    .portfolio-main:not(.under) .portfolio-item .portfolio-title{
        position: relative;
        width: 100%;
        padding: 0;
        margin-top: 0px;
        text-align: center;
        opacity: 1;
    }
    .portfolio-main:not(.under) .portfolio-info h6{
        color: #222;
        font-size: 13px;
        line-height: 18px;
        font-weight: 600;
    }
    .portfolio-main .portfolio-item:hover .portfolio-info h6{
        color: #777777;
        background: transparent;
    }
}
@media only screen and (max-width: 767px) {
    .portfolio-main.portfolio-full_width_spacing .portfolio-isotope-container {
        padding: 0 5%;
    }
    .portfolio-full_width_spacing.full-width-content .isotope-item{
        width: 90%;
        margin:0 0 3%;
    }
    .full-width-case-study .container{
        padding: 0 30px;
        max-width: 100%;
    }
    .portfolio-full_width_spacing.full-width-content .portfolio-col-3 .isotope-item{
        width: 100%;
        margin-right: 0px;
        margin-bottom: 3%;
    }
}
@media (max-width: 1023px){
      .isotope-item {
            width: 44.5%;
        }
        .portfolio-main .isotope-item{
            margin: 0 1.5% 3%;  
        }
        .portfolio-item .portfolio-title {
        position: relative;
        width: 100%;
        padding: 0;
        margin-top: 0px;
        text-align: center;
        opacity: 1;
        }
        .portfolio-main .isotope-item {
        margin-bottom: 49px;
        }
        .portfolio-main .filter h4, .portfolio-main .filter ul.btns {
        float: none;
        text-align: center;
        width: 100%;
        max-width: 100%;
        }

        .portfolio-item .portfolio-info {
        display: block;
        position: relative;
        margin-top: 19px;
        width: 100%;
        height: auto;
        z-index: 15;
        -webkit-transition: background .2s ease-out;
        transition: background .2s ease-out;
        }
}
@media (max-width: 767px){
    .isotope-item {
          width: 100%;
    }
    .portfolio-main .isotope-item{
      margin: 0 0 49px;
    }
    .full-width-case-study .container{
        padding: 0 4%;
        max-width: 100%;
    }
}