.performance-fps{position:absolute;top:max(3px,env(safe-area-inset-top));left:50%;transform:translateX(-50%);z-index:3;pointer-events:none;font:10px/13px ui-monospace,monospace;color:#dce8dbb8;text-shadow:0 1px 2px #061513;white-space:nowrap;contain:layout paint;min-width:6ch;text-align:center}

.performance-fps[data-warning="true"]{color:#ffd28c}