Do you put text and a button in a div whose background is set to white? It's hard to say what you do without showing CSS.
If you are using a div with a background, why not just delete it? Or, if there is some limitation, why not set the background to rgba (#, #, #, 0.0)?
background:rgba(255,255,255,0.0);
The alpha property helps set the opacity level.
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