/* Equal-sized disclosure headings throughout the maths worked examples. */
.ex-teacher>.ex-solution>summary,.ex-teacher .ex-part>summary,.ex-teacher .ex-practice>summary,.ex-teacher .ex-practice-body>details>summary{font-size:17px}
.ex-teacher .ex-part>summary .katex{font-size:1em}
@media(max-width:760px){.ex-teacher>.ex-solution>summary,.ex-teacher .ex-part>summary,.ex-teacher .ex-practice>summary,.ex-teacher .ex-practice-body>details>summary{font-size:16px}}