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To solve this problem please add skinparam inside embedded diagram.
http://www.plantuml.com/plantuml/png/SoWkIImgAStDuIhEpimhI2nAp5N8ooz9TKfCpauloY_DIt7EpyalKWZFo2n9vKhKjKlY0aah56McPvHmsTegEBahP1Oh-7ihsDfoLLSJPKgohbqALbFy_4CKoa5AG8QbvgM0pU2ghKMm7O0ie6C1