html, body, body div, span, object, iframe,  main,
h1, h2, h3, h4, h5, h6, p, blockquote, pre, 
abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, 
samp, small, strong, sub, sup, var, b, i, dl, dt, dd, ol, ul, li, 
fieldset, form, label, legend, table, caption, 
table tbody, tfoot, thead, tr, th, td, article, aside, 
figure, footer, header, menu, nav, section, time, mark, audio, video, details, summary,
section
{
    /*background-color: rgba(205, 237, 241, 0.2);*/
}