css: math.css This is an example document. Inline: $a$, $b$, $q$ and stop. $$ \int_a^b f(x) dx $$ (1) See for example (eq:1). Equation inline: $ \int_a^b f(x) dx $ and that's it. Spacing: Maruku outputs sizes and alignment for images in `ex`. An `ex` is one `x`: x, $\textrm{x}$, $x$ should have the same height.