Custom CSS for google.com (You can use stylebot extension like tool to apply this css rules, here goes a link for chrome extension https://chrome.google.com/webstore/detail/stylebot/oiaejidbmkiecgbjeifoejpgmdaleoha)

custom.css

.gbqfif, .gbqfsf,li.g, body, html, .std, h1 {
    font-family: "Open Sans";
}

.sbib_b {
    padding: 3px 7px 0;
}

#rhs ._za.vk_pl {
    padding-left: 0;
    margin-right: 10px;
    margin-top: 15px;
}

._JV {
    padding-top: 10px;
}

.gbqfif, .gbqfsf,li.g, body, html, .std, h1 {
    font-family: "Open Sans";
}

.sbib_b {
    padding: 3px 7px 0;
}

.vk_h, #res h3.r {
    font-family: "Droid Serif";
    font-weight: 300;
}

#rhs ._za.vk_pl {
    padding-left: 0;
    margin-right: 10px;
    margin-top: 15px;
}

._JV {
    padding-top: 10px;
}