.portfolio-grid .mix {
    float: left;
    overflow: hidden;
    width: 48%;
    margin: 1%;
}
/*
@media (min-width: 992px) {
    .mix {
        max-width: 140px;
    }
}*/


.portfolio-grid .mix .portfolio-wrapper {
    position: relative !important;
    overflow: hidden;
    cursor: pointer;
    background: #222;
}

.portfolio-grid .mix .portfolio-wrapper img {
    position: relative;
    max-width: 100%;
    -webkit-filter: grayscale(0);
    filter: grayscale(0);
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
}

.portfolio-grid .mix .portfolio-wrapper img:hover {
    -webkit-filter: grayscale(1);
    filter: grayscale(1);
}

.portfolio-grid .mix .portfolio-wrapper .caption {
    position: absolute;
    bottom: -100px;
    width: 100%;
    height: 100px;
    -webkit-transition: all 0.1s;
    transition: all 0.1s;
    background-color: black;
    border-bottom: 1px solid yellow;
    -webkit-box-shadow: 0px -2px 5px 0px rgba(0,0,0,0.75);
    -moz-box-shadow: 0px -2px 5px 0px rgba(0,0,0,0.75);
    box-shadow: 0px -2px 5px 0px rgba(0,0,0,0.75);
}

.portfolio-grid .mix .portfolio-wrapper .caption .caption-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: black;
    -webkit-transition: all 0.1s;
    transition: all 0.1s;
}

.portfolio-grid .mix .portfolio-wrapper .caption .caption-text {
    position: relative;
    z-index: 500;
    padding: 15px 8px;
    color: white;
    font-size: 14px;
}

.portfolio-grid .mix .portfolio-wrapper .caption .caption-text a.text-title {
    color: white;
}

.portfolio-grid .mix .portfolio-wrapper .caption .caption-text .text-category {
    font-size: 12px;
    display: block;
}

.portfolio-grid .mix:hover .portfolio-wrapper .caption {
    bottom: 0;
}

@media (min-width: 768px) {
    .portfolio-grid .mix {
        width: 31%;
        margin: 1%;
    }
}