Birdsite

birdsite.css

[aria-label="Twitter"] svg g {
    visibility: hidden;
}

[aria-label="Twitter"] svg {
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><g style="transform-origin:0px 0px;"><path d="M23.643 4.937c-.835.37-1.732.62-2.675.733.962-.576 1.7-1.49 2.048-2.578-.9.534-1.897.922-2.958 1.13-.85-.904-2.06-1.47-3.4-1.47-2.572 0-4.658 2.086-4.658 4.66 0 .364.042.718.12 1.06-3.873-.195-7.304-2.05-9.602-4.868-.4.69-.63 1.49-.63 2.342 0 1.616.823 3.043 2.072 3.878-.764-.025-1.482-.234-2.11-.583v.06c0 2.257 1.605 4.14 3.737 4.568-.392.106-.803.162-1.227.162-.3 0-.593-.028-.877-.082.593 1.85 2.313 3.198 4.352 3.234-1.595 1.25-3.604 1.995-5.786 1.995-.376 0-.747-.022-1.112-.065 2.062 1.323 4.51 2.093 7.14 2.093 8.57 0 13.255-7.098 13.255-13.254 0-.2-.005-.402-.014-.602.91-.658 1.7-1.477 2.323-2.41z" style="transform-origin:0px 0px;" fill="rgb(29, 155, 240)" /></g></svg>') no-repeat;
    background-size: contain;
    background-position: center center;
}