.row-heading{display:flex;align-items:center;padding-bottom:2em}.row-heading .btn-config,.row-heading .logo-cell.logo-link{pointer-events:all}.row-heading .logo-cell.logo-link img:hover{cursor:pointer}.pane-instruction{flex-grow:1;padding:1em;background-color:#fff;margin:1em}.pane-instruction.pane-hidden{visibility:hidden}.pane-instruction .instruction-stem{font-size:1.5em;margin:0}.settings-cell{padding-right:1em;margin-top:1.5em}.ui-overlay{position:absolute;top:0;bottom:0;left:0;right:0;transform-origin:left top;width:1280px;height:960px;pointer-events:none}.activity-container{align-items:center;justify-content:center;height:100vh}.activity-main{display:flex;position:relative}@media screen and (-ms-high-contrast:active),(-ms-high-contrast:none){.activity-main{overflow:hidden}}