/* Portrait tablet to landscape and desktop */
@media (min-width: 980px) and (max-width: 1200px)
{
    .item, .alternatingItem
    {
        float: left;
        padding: 15px;
        margin: 5px;
        width: 22%;
        height: auto;
        border: 1px solid threedshadow;
    }
}

@media (min-width: 768px) and (max-width: 979px)
{
    .item, .alternatingItem
    {
        float: left;
        padding: 15px;
        margin-left: auto;
        margin-right: auto;
        width: 20%;
        height: auto;
        border: 1px solid threedshadow;
    }
}

/* Landscape phone to portrait tablet */
@media (max-width: 767px)
{
    .item, .alternatingItem
    {
        float: left;
        padding: 15px;
        margin-left: auto;
        margin-right: auto;
        margin-bottom: 5px;
        width: 26.5%;
        height: auto;
        border: 1px solid threedshadow;
    }
}

/* Landscape phones and down */
@media (max-width: 480px)
{
    .item, .alternatingItem
    {
        float: left;
        padding: 15px;
        margin-left: auto;
        margin-right: auto;
        width: 90%;
        height: auto;
        border: 1px solid threedshadow;
    }
}

.item
{
    background: whitesmoke !important;
}

.alternatingItem
{
    background: window !important;
}

    .item:hover, .alternatingItem:hover
    {
        background: silver !important;
    }
.btn-u
{
    margin: 5px !important;
}