background Invalid property value in Chrome
问题 I am getting background Invalid property value in Chrome. What am I missing here? html: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Email template</title> </head> <body style="margin-left: 0; margin-top: 0; margin-right: 0; margin-bottom: 0;"> <div class="t3 sMargin" style="margin-top: 20px; background-color: #dedede; padding-left: 40px; padding-right: 40px; padding-top: 20px; padding-bottom: 20px;"> <div class="t31" style="color: #5222a8; font-weight: bold; font