What does this size mean in css {font: 14px/24px Arial, Helvetica, sans-serif}

Question

What is 14px/24px here? Which is the real font size?

Solution 1

It's the shorthand for the different font related properties. It means:

font-size: 14px;
line-height: 24px;

font-family: Arial, Helvetica, sans-serif

See: http://www.impressivewebs.com/css-font-shorthand-property-cheat-sheet/

Solution 2

First is font-size the second is line-height

Quote from the specification for font shorthand

'font'
Value: [ [ <'font-style'> || <'font-variant'> || <'font-weight'> ]? <'font-size'> [ / <'line-height'> ]? <'font-family'> ] | caption | icon | menu | message-box | small-caption | status-bar | inherit

Solution 3

This is equivalent to

#html{
    font-size:14px;
    line-height:24px;
    font-family: Arial, Helvetica, sans-serif;
}

Comments

[Sohil Shah]

if it is the case then, font: normal normal normal 80px/1 "austera-font"; or font-size: 80px; line-height:1; should work same, right? but its not the case in my project!!

[thirtydot]

@SohilShah: I can't see the problem from that demo. There is probably something else affecting it in your project. Most of those properties are being set in icons.css line 28 already.