The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or an illegal character among the padding characters.
ublic void ProcessFolderForHtml(string sourcePath,…...border-left: 1px dotted gray; // z-index: 0; //} .tree li::before...border-left: 1px dotted gray; z-index: 0; } .tree li::after {...