:root{--green:#1768ac}.lesson-heading .eyebrow{color:#1768ac}.fraction{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;line-height:1.2;margin:0 .2em}.fraction>span:first-child{border-bottom:1px solid currentColor;padding:0 .15em .1em}.fraction>span:last-child{padding-top:.1em}.animation-controls{flex-wrap:wrap}.animation-controls .btn,.enlarge{min-height:44px;font-size:16px}.visual img{height:320px}.question-image{height:auto;max-height:300px;width:100%;object-fit:contain}.question-enlarge{display:block;margin:0 auto 12px}.question-enlarge[hidden]{display:none}html[data-subject="physics"] #exam-practice-preview .ep-figure-button img{max-height:280px}html[data-subject="physics"] #exam-practice-preview .ep-split #ep-figure:not(:empty){float:none;width:100%;margin-left:0}@media(max-width:700px){.visual img{height:auto;max-height:300px}.question-image{height:auto;max-height:250px}html[data-subject="physics"] #exam-practice-preview .ep-figure-button img{max-height:230px}}