Input	Chrome	Firefox	Safari
Basic
5 + 5 = 10
Complex Array
\begin{array}{||c|c::c|c||} A & B & C & D \\ \hdashline 1 & 2 & 3 & 4 \\ \hline 5 & 6 & 7 & 8 \\ 9 & 10 & 11 & 12 \end{array}