Background Color with Alpha Transparency

question:  how 1 provide background color image alpha-transparency different of background color of document itself?

 

background:  have gif image created alpha transparency,  when image loaded 1 can determine alpha transparency has succeeded -- this, because background color of document shows through.

 

unfortunately, background transparency designed , background color of host-document not same.  result, jagged edges typically associated gif images horribly visible.  have tried changing background-color of <img> tag calls gif image.  failed, tried placing image in both span , div tags set background-color property color hide jagged edges.  simply, no change in background-color takes place.

 

i know have identified , targeted tags, because able float image css rules desire.

 

what preventing me setting background colors of aforementioned tags?

 

roddy

you can't give image background colour. can place in div or table cell , give background colour.

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