what are the breakpoints for t3 to use adaptive images.

Hi,

could you tell me what the breakpoints are to use adaptive images
this is what i found in the t3 plugin

// wide
&.wide {
width: 720px;
}
// normla
&.normal {
width: 600px;
}
// tablet
&.xtablet {
width: 500px;
}
// tablet
&.tablet {
width: 450px;
}

regards

Gerhard