@import url('//fonts.googleapis.com/css?family=Oxygen:300,400,700|Source+Sans+Pro:300,300i,400,400i,600,700&subset=latin-ext,vietnamese');
body {
    font-family: Source Sans Pro, Helvetica Neue, Helvetica, Arial, sans-serif;
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: 0;
}