use Mix.Config config :core, :email, %{ styles: %{ background: %{ color: "#222222", }, body: %{ font_family: "sans-serif", font_size: "15px", line_height: "20px", text_color: "#555555", }, button: %{ border_radius: "4px", border: "1px solid #000000", background: "#222222", color: "#ffffff", font_family: "sans-serif", font_size: "15px", line_height: "15px", text_decoration: "none", padding: "13px 17px", display: "block", }, column: %{ background: "#FFFFFF", padding: "0 10px 40px 10px", }, footer: %{ padding: "20px", font_family: "sans-serif", font_size: "12px", line_height: "15px", text_align: "center", color: "#ffffff", }, global: %{ width: 600, }, h1: %{ margin: "0 0 10px 0", font_family: "sans-serif", font_size: "25px", line_height: "30px", color: "#333333", font_weight: "normal", }, h2: %{ margin: "0 0 10px 0", font_family: "sans-serif", font_size: "18px", line_height: "22px", color: "#333333", font_weight: "bold", }, header: %{ padding: "20px 0", text_align: "center", }, hero_image: %{ background: "#dddddd", display: "block", margin: "auto", }, inner_column: %{ padding: "10px 10px 0", }, li: %{ margin: "0 0 0 10px", }, last_li: %{ margin: "0 0 10px 30px", }, spacer: %{ height: "40", font_size: "0px", line_height: "0px", }, ul: %{ margin: "0 0 10px 0", padding: "0", }, } }