Колеги, да се учим на малко CSS
, изнамерено в <head> таговете и стилизацията на mail.bg

<link media="(max-width: 799px)"
rel="stylesheet"
href="/css/responsive_common.css">
<!-- viewport specific -->
<!-- no menu -->
<!-- 320px to 359px -->
<link media="(max-width: 359px)"
rel="stylesheet"
href="/css/style_w320.css">
<link media="(max-width: 360px)"
rel="stylesheet"
href="/css/style_wlt360.css">
<!-- 360px to 479px -->
<link media="(min-width: 360px)
and (max-width: 479px)"
rel="stylesheet"
href="/css/style_w360.css">
<link media="(max-width: 380px)"
rel="stylesheet"
href="/css/style_wlt380.css">
<link media="(max-width: 410px)"
rel="stylesheet"
href="/css/style_wlt410.css">
<link media="(max-width: 460px)"
rel="stylesheet"
href="/css/style_wlt460.css">
<!-- 480px to 799px -->
<link media="(min-width: 480px)
and (max-width: 799px)"
rel="stylesheet"
href="/css/style_w480.css">
<link media="(max-width: 525px)"
rel="stylesheet"
href="/css/style_wlt525.css">
<link media="(max-width: 580px)"
rel="stylesheet"
href="/css/style_wlt580.css">
<link media="(max-width: 625px)"
rel="stylesheet"
href="/css/style_wlt625.css">
<link media="(max-width: 640px)"
rel="stylesheet"
href="/css/style_wlt640.css">
<link media="(min-width: 640px)
and (max-width: 799px)"
rel="stylesheet"
href="/css/style_w640.css">
<!-- 640px to 799 px -->
<link media="(max-width: 680px)"
rel="stylesheet"
href="/css/style_wlt680.css">
<link media="(min-width: 700px)
and (max-width: 799px)"
rel="stylesheet"
href="/css/style_w700.css">
<!-- with menu -->
<link media="(min-width: 800px)
and (max-width: 815px)"
rel="stylesheet"
href="/css/style_wlt815.css">
<link media="(min-width: 800px)
and (max-width: 860px)"
rel="stylesheet"
href="/css/style_wlt860.css">
<!-- 800px to 979px -->
<link media="(min-width: 800px)
and (max-width: 979px)"
rel="stylesheet"
href="/css/style_w800.css">
<link media="(min-width: 800px)
and (max-width: 930px)"
rel="stylesheet"
href="/css/style_wlt930.css">
<link media="(min-width: 800px)
and (max-width: 980px)"
rel="stylesheet"
href="/css/style_wlt980.css">
<link media="(min-width: 980px)
and (max-width: 1279px)"
rel="stylesheet"
href="/css/style_w980.css">
<link media="(min-width: 800px)
and (max-width: 1000px)"
rel="stylesheet"
href="/css/style_wlt1000.css">
<link media="(min-width: 800px)
and (max-width: 1024px)"
rel="stylesheet"
href="/css/style_wlt1024.css">
<link media="(min-width: 1280px)"
rel="stylesheet"
href="/css/style_w1280.css">
<!-- eja -->
<link media="(min-width: 980px)"
rel="stylesheet"
href="/css/style_edge.css">