body{
font:300 15px/1.4 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

font-weight: 300;
font-size: 15px;
line-height: 1.4;
font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;

body {
   font: font-style font-variant font-weight font-size/line-height font-family;
}

body {
   font: italic small-caps normal 13px/150% Arial, Helvetica, sans-serif;
}