#wpcf7-f4-p18-o2 input[type=submit] {
       background-color: rgba(58,181,74,1)!important; 
    } 

HTML > BODY > DIV#wrap > HEADER#header > DIV.container > NAV#nav-wrap > DIV.container > UL> LI > UL.sub-menu > LI   {
       color: #424242; 
       font-size: 12.6px; 
    }