how insert image with a background at html

hi

i have an html file.

i need to insert a logo image at my web page, and it show at 10% at backgraound image

someone know how can i it?

before , i set logo image with position absolute parameter, but i have with some like percent position or some like it

someone know how can i do it?

thanks a lot


i attach page as see actually, and required design
actual-design.jpg
required-design.jpg
index.html
portada.jpg
terrazas-ixmiquilpanTranspICo300.gif