# \[Bug\] Template disappears on each Basic MathJax card

**URL:** https://forums.ankiweb.net/t/bug-template-disappears-on-each-basic-mathjax-card/27871
**Category:** Help
**Created:** [February 25, 2023, 8:56am UTC](https://forums.ankiweb.net/t/bug-template-disappears-on-each-basic-mathjax-card/27871 "2023-02-25T08:56:13Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![dae](https://sea2.discourse-cdn.com/flex002/user_avatar/forums.ankiweb.net/dae/32/65_2.png) [@dae](https://forums.ankiweb.net/u/dae)
#### Post date: [February 27, 2023, 11:21am UTC](https://forums.ankiweb.net/t/bug-template-disappears-on-each-basic-mathjax-card/27871/5 "2023-02-27T11:21:48Z")

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> [@Extra vertical space on card (2.1.55 beta 4)](https://forums.ankiweb.net/t/extra-vertical-space-on-card-2-1-55-beta-4/24691):
>
> I have a card with the following HTML: Consider a particle with position \(X\in \reals\) and velocity&nbsp;\(Y \in \reals.\) The following SDE is called the {{c1::\<i\>Ornstein-Uhlenbeck&nbsp;process\</i\>}}: \[\left\{\begin{aligned}mdY&amp;=\underbrace{-b Y d t}\_{\text {dissipation }}+\underbrace{q d W}\_{\text {fluctuation }} \\\<br\>d X&amp;={{c2::Y dt}}\<br\>\end{aligned}.\right.\<br\>\] When the card is rendered while studying it, there looks like there are four or five blank lines between the text …

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