.startup { position: fixed; inset: 0; z-index: 1000; display: grid; place-content: center; padding: 24px; background: #fff; color: #14243b; font: 16px/1.6 system-ui, sans-serif; text-align: center; }
.startup[hidden] { display: none; }
.startup h1 { margin: 0 0 12px; font-size: 32px; }
.startup p { max-width: 440px; margin: 0 0 20px; }
.startup a { justify-self: center; padding: 10px 20px; border: 1px solid #dce3ed; border-radius: 8px; color: #0869df; text-decoration: none; }
.startup a:focus-visible { outline: 3px solid #0869df; outline-offset: 3px; }
.startup a[aria-disabled="true"] { pointer-events: none; opacity: .6; }