Reply To: font size for the body of an article

Hello,

we check your site and found you are already using custom CSS.

.entry-content p, li {
    font-size: 15px !important;
}

for the 2cnd query, please use the following custom CSS

h1,
h1 a,
h2,
h2 a,
h3,
h3 a,
h4,
h4 a,
h5,
h5 a,
h6,
h6 a {
	text-transform: inherit;
}

If you have still query let us know.

Thanks!