body { margin: 0; background: #080d10; color: #fff; font-family: Arial, sans-serif; line-height: 1.65; }
main { max-width: 640px; margin: 80px auto; padding: 24px; border-top: 2px solid #ff2684; }
img { width: 180px; max-width: 100%; }
h1 { font-size: 30px; letter-spacing: 0; }
a { color: #2df878; }
button { border: 0; background: #2df878; color: #080d10; padding: 16px 24px; font: bold 16px Arial, sans-serif; cursor: pointer; }
button:focus-visible, a:focus-visible { outline: 2px solid #ff2684; outline-offset: 4px; }