Rails PDF is not accepting CSS


  I am not able to see the css inside the PDF. the generated pdf will display in black n white. Am getting images inside the pdf file. Please see the below code that i have implemented. If anyone finds a solution please help!

Am using OS :Ubuntu Rails: 4.1.8 Ruby :2.1.5p273 Webserver: Unicorn pdfkit version : 0.6.2

these are my code