demo-container { display: flex;flex-flow: column; border: 2px solid rgb(189, 189, 189); padding: 25px 9px 10px; border-radius: 4px; width: 75%; max-width: 400px; height: 250px; overflow: auto; gap: 10px 13px;  }
demo-object { display: block; width: 100%; margin: 0px auto; background-color: rgb(255, 255, 0); }
block-block { font-family: Helvetica, Arial, sans-serif; font-size: 12px; line-height: 14px; }
.big { font-size: 20px; margin-bottom: 10px; }
.animation { view-timeline: --subject-reveal; animation-timeline: --subject-reveal; animation-name: appear; animation-fill-mode: both; animation-duration: 1ms; }

.element {view-timeline: --subject-reveal;}
@keyframes appear {
0% { opacity: 0; transform: scaleX(0); }
100% { opacity: 1; transform: scaleX(1); }
}