.portfoliodiv {
    padding-top:50px;
}
.filter{
    text-align:center;
}
.filter ul{
    margin:0px;
    padding:0px;
    list-style:none;
}
.filter ul li{
    display:inline-block;
    margin:0px 5px 0px 0px;
}
.filter ul li a{
    color:#000;
    padding:8px 20px;
    background:#fff;
    text-decoration:none;
    display:block;
    font-size:20px;
    text-transform:uppercase;
    border:1px solid #fff;
    transition: ease .2s all;
    -webkit-transition: ease .2s all;
    -moz-transition: easet .2s all;
    -ms-transition: easet .2s all;
    -o-transition: ease .2s all;
}
.filter ul li a:hover,
.filter ul li a.active,
.filter ul li a:focus{
    background:#000;
    border:1px solid #fff;
    color:#fff;
    text-decoration:none;
}
.filter ul li:last-child{
    border-right:none;
}
.col-25	{
    width:24.9%;
    padding:15px;
}
.isotope-item {
    z-index: 2;
}
.isotope-hidden.isotope-item {
    pointer-events: none;
    z-index: 1;
}
.isotope,
.isotope .isotope-item {
    -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;
    width:100%;
}
.isotope .isotope-item {
    -webkit-transition-property: -webkit-transform, opacity;
    -moz-transition-property: -moz-transform, opacity;
    transition-property: transform, opacity;
}
.hover {
    position: relative;
    text-align: center;
    width:100%;
}
.hover img {
    max-width: 100%;
}
.hover .mask-img {
    background: rgba(0, 0, 0, 0.7);
    height: 100%;
    /*opacity:0;*/
    overflow: hidden;
    position: absolute;
    text-align: center;
    top: 0;
    transition: all 0.4s ease-in-out 0s;
    width: 100%;
}
.hover:hover .mask-img {
    opacity: 1;background: rgba(0, 0, 0, 0.55);
}
.hvrlink {
    margin-top: -50px;
    position: absolute;
    top: 50%;
    width: 100%;
    padding:0px 20px;
}
.hover:hover .hvrlink {
    -moz-transform: scale(1.1);
    -webkit-transform: scale(1.1);
    -o-transform: scale(1.1);
    -ms-transform: scale(1.1);
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
    -webkit-transition: transform 1.1s ease-in-out;
    -moz-transition:transform 1.1s ease-in-out;
    -ms-transition:transform 1.1s ease-in-out;
}
.hover h3 {
    text-transform: uppercase;
    font-size: 36px;
    color: #fff
}
.hover P {
    color: #fff;
    font-size: 16px;}
@media (max-width: 1024px) {
    .col-25{
        width:33%;
    }
}
@media (max-width: 980px) {
    .col-25{
        width:50%;
    }
}
@media (max-width: 640px) {
    .col-25{
        width:49.5%;
    }
    .filter ul li a{
        padding:8px 12px;
    }
}
@media (max-width: 480px) {
    .filter ul li a{
        padding:8px 12px;
        font-size:16px;
    }
    .col-25	{
        width:100%;
        padding:15px;
    }
    .hover img{
        /*width:100%;*/
    }
    .filter ul li{
        margin:0px;
    }
}
@media (max-width: 479px) {
    .filter ul li{
        display:block;
    }
    .filter ul li a{
        border-bottom:1px solid #e9e9e9;
    }
    .filter ul li a:hover,.filter ul li a.active{
        border-bottom:1px solid #e9e9e9;
    }

}