This CSS enables you to add your logo image via the header image setting in the customizer and also display your site title and tagline after the logo like this :
Tested using the Genesis Sample child theme by StudioPress.
Add the following CSS rules to the end of your child themes style.css file and clear caching :
.header-image .site-description,
.header-image .site-title {
text-indent: 0px;
text-align: center;
}
.header-image .site-title a {
padding-top: 210px;
background-size: auto !important;
}Note : Assumes uploading a image which is 150px in height otherwise you may need to modify the above CSS.