.box_tiles {
    display: grid;
    grid-gap: 14px;
    grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
    margin-top: 2em;
    margin-bottom: 2em;
}

.tile_box {
    border-top: 4px solid #0C5EBA;
    border-bottom: 1px dotted #CCCCCC;
    margin-bottom: 1em;
}

.box_title {
    color: #353535;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
    font-size: 16px;
    border-bottom: 1px dotted #CCCCCC;
    padding: .5em;
}

.box_img {
    width: 100%;
    height: auto;
    margin-top: .5em;
    margin-bottom: .5em;
}

.box_arrow {
    background-image: url('../img/link_arrow_dkblue.png');
    background-repeat: no-repeat;
    background-size: 100%;
    background-position: center;
    width: 25px;
    height: 25px;
    display: block;
    float: right;
    margin-top: -45px;
    position: relative;
    margin-right: 10px;
}

.tile_box:hover .box_arrow {
    background-image: url('../img/link_arrow_ltblue.png');
}

.tile_box:hover .box_title {
    color: #21b7fc;
}

.box_link:hover {
    text-decoration: none;
}