Change header and menu colors/style


How do you do?

I need to do some changes to my site. My site is

I need the css code to change:

-header background
-menu links size and put it bold
-menu background
-footer background
-change colors of the grey linhes around the menu

Thanks in advance!
Have a nice day!

Hey there

Please consider, such amount of requests fall on customization, but this time I will help you with them :slight_smile:

header#masthead {
    background-color: #639;
#site-navigation a {
    font-size: 15px;
    color: #939393;
    font-weight: 300;
#colophon {
    background-color: #001228;
.main-navigation {
    border-top: 1px solid #f82828;
    border-bottom: 1px solid #e37979;