The term proportional font is identified in base64 scheme by the sequence cHJvcG9ydGlvbmFsIGZvbnQ=, while the MD5 signature is equal to feae569329ee1d2a16f4b0e3073753c6. The ASCII encoding of proportional font in hexadecimal notation is 70726f706f7274696f6e616c20666f6e74.