div:not(.CodeMirror-activeline) > .CodeMirror-line .cm-string.cm-url:not(.cm-formatting) { font-size: 0; } 
div:not(.CodeMirror-activeline) > .CodeMirror-line .cm-string.cm-url:not(.cm-formatting)::after { content: '🔗'; 
    font-size: 1rem; }