Hello,
1/ Theme Options > Footer > Footer styling > Footer Links > hover color
2/ Add the next code in Theme Options > Custom CSS to change the font-size and line-height:
.footer-widget li a {
font-size: 15px !important;
line-height: 1.3;
}
3/ Theme Options > Footer > Footer styling > Footer Paddings > https://gyazo.com/374b868fef0b082f6c9429035e71fd2d
Regards