config.h

static Remap remaps[] = {
    /*       Class      | Input mask  | input key    | Output mask  | Output key */
    {"Brave-browser", "ControlMask", "k",           "ControlMask", "Next"}, /* Next tab */
    {"Brave-browser", "ControlMask", "j",           "ControlMask", "Prior"},/* Previous tab */
    {"Brave-browser", "ControlMask", "d",           "",            "Next"}, /* Page down */
    {"Brave-browser", "ControlMask", "u",           "",            "Prior"},/* Page up */
    {"Brave-browser", "Mod1Mask",    "h",           "",            "Left"}, /* Left arrow key */
    {"Brave-browser", "Mod1Mask",    "j",           "",            "Down"}, /* Down arrow key */
    {"Brave-browser", "Mod1Mask",    "k",           "",            "Up"},   /* Up arrow key */
    {"Brave-browser", "Mod1Mask",    "l",           "",            "Right"},/* Right arrow key */
    {"Brave-browser", "ControlMask", "bracketleft", "Mod1Mask",    "Left"}, /* Backwards history */
    {"Brave-browser", "ControlMask", "bracketright","Mod1Mask",    "Right"},/* Forwards history */
};