.grid-banner {
    display: block;
    position: relative;
    width: 100%;
    background: #c0c0c0 top center;
    background-size: cover;
}

.grid-banner .grid-column {
    display: inline-block;
    float: left;
}
.grid-banner .grid-column:nth-child(1n+2) {
    border-left: 10px solid #fff;
}
.grid-banner .grid-column.width-4 {
    width: calc((100% - 30px) / 4);
}
.grid-banner .grid-column.width-2 {
    width: calc((100% - 10px) / 2);
}
.grid-banner .grid-column.width-1 {
    width: 100%;
}
.grid-banner .grid-row {
    border-bottom: 10px solid #fff;
}
.grid-banner .grid-row:last-child {
    border-bottom: none;
}
.grid-banner .grid-square {
    position: relative;
    display: inline-block;
    float: left;
    color: #fff;
    width: 100%;
}
.grid-banner .grid-square:before {
    content: " ";
    display: block;
    width: 100%;
    padding-top: 100%;
}
.grid-banner .grid-square .content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}
.grid-banner .grid-square .center {
    display: inline-block;
    font-family: 'Oswald', sans-serif;
    font-size: 2em;
    letter-spacing: 1px;
    line-height: 1.2em;
    position: absolute;
    text-align: center;
    text-shadow: #000000 0 0 36px, rgba(0,0,0,0.4) 0 0 8px;
    text-transform: uppercase;
    top: 50%;
    width: 90%;
    padding: 0 5%;
    -webkit-transform: translate(0%, -50%);
       -moz-transform: translate(0%, -50%);
         -o-transform: translate(0%, -50%);
            transform: translate(0%, -50%);

}
.grid-banner .grid-square .button-frame {
    display: block;
    height: 0;
    overflow: hidden;
    opacity: 0;
    -webkit-transition: 200ms ease-in-out;
    -moz-transition: 200ms ease-in-out;
    -o-transition: 200ms ease-in-out;
    transition: 200ms ease-in-out;
}
.grid-banner:hover .grid-square .button-frame {
    height: 2em;
    opacity: 1;
    overflow: hidden;
}
.grid-banner .grid-square .button-content {
    border: 2px solid #ffffff;
    clear: both;
    display: inline-block;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 0.5em;
    line-height: 1em;
    margin-top: 12px;
    padding: 8px 16px 8px 16px;
    white-space: nowrap;
}
.grid-banner .grid-row .grid-square:nth-child(1n+2) {
    border-left: 10px solid #fff;
}
.grid-banner .grid-row.width-2 .grid-square {
    width: calc((100% - 10px) / 2);
}
.grid-banner .grid-row:after {
    content:"";
    display:table;
    clear:both;
}

.grid-banner .medium,
.grid-banner .small {
    display: none;
}