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On the normal grids, yet I love that feature.  But on my site's home page "edit CSS", in the visual editor for Widgets, I can't find that option  

Any ideas to code in shadow on my text to make it easier to see?

This is what I have and the box is still there

.boldgrid-css{ background: none; }
.wpforms-field-label {
color: #FFFFFF !important;
}


.palette-primary .widget .call-to-action-wrapper {
background-color: none;
}

I can add it anywhere in the CSS area?