div.img {
    border: 1px solid #ccc;
}

div.img:hover {
    border: 1px solid #777;
}

div.img img {
    width: 100%;
    height: auto;
}

div.desc {
    padding: 15px;
    text-align: center;
}

* {
    box-sizing: border-box;
}

.responsive {
    padding: 20px;
    float: left;
    /* width: 24.99999%; */
    width: 50%
}

@media only screen and (max-width: 800px){
    .responsive {
        /* width: 49.99999%; */
        width: 50%
        margin: 20px 10;
    }
}

@media only screen and (max-width: 500px){
    .responsive {
        width: 100%;
    }
}

.clearfix:after {
    content: "";
    display: table;
    clear: both;
}