public static ComponentBuilder <TConfig, TTag> SetBackground <TConfig, TTag>(this ComponentBuilder <TConfig, TTag> builder, string imageUri)
where TConfig : BootstrapConfig
where TTag : Tag, IHasTextContent
{
builder.AddStyle("background-image", "url(" + imageUri + ")")
.AddStyle("background-position", "center")
.AddStyle("background-repeat", "no-repeat")
.AddStyle("background-size", "cover");
return(builder);
}