:root{--navbar-height:60px}.h-fix{height:calc(100vh - var(--navbar-height))}@supports (-webkit-touch-callout:none){.h-fix{height:-webkit-fill-available;height:calc(100vh - env(safe-area-inset-bottom,0) - env(safe-area-inset-top,0))}}.knowledge p{margin:.5rem 0 0}.knowledge-quiz h3{margin-bottom:.5rem;font-weight:600}.knowledge-wrapper .knowledge:first-child p:first-child{font-size:1.15rem;font-weight:600}.bg-striped{background:#f5f5f5 repeating-linear-gradient(135deg,#19b0f6 0,#19b0f6 26px,#33baf6 26px,#33baf6 36px) no-repeat}.bg-voice{background:repeating-linear-gradient(240deg,#18aff6 0,rgba(105,67,217,.6) 28%,#c376f5 47%,#f0b3fc 54%,#feadea 77%,#7a4ffc 100%) no-repeat}.bg-voice-decoration{background:repeating-linear-gradient(rgba(187,156,255,0) 0,#bb9cff 300px)}.bg-grid{background-image:linear-gradient(90deg,rgba(235,235,235,.533) 1px,transparent 1px),linear-gradient(rgba(235,235,235,.533) 1px,transparent 1px);background-size:1rem 1rem}