.gch-header-image {
margin: 0 auto;
text-align: center;
}
.gch-header-image-inner {
display: inline-block;
position: relative;
}
.gch-header-image-inner img {
vertical-align: top; 
}
.gch-caption {
bottom: 0px;
position: absolute;
text-align: right;
width: 100%;
}
.gch-caption-inner {
background: rgba(0, 0, 0, .4);
color: #fff;
padding: 10px 20px;
}