dwa problemy: obramowanie kolumny tabeli i obszar dokumentu

[Kartofelek]

<table>
<col class="pierwsza" />
<col class="druga" />
<col class="trzecia" />
<tr class="first"><td></td><td></td><td></td></tr>
<tr><td></td><td></td><td></td></tr>
<tr><td></td><td></td><td></td></tr>
<tr class="last"><td></td><td></td><td></td></tr>
</table>

.pierwsza {border:2px solid red; border-top-width:0px; border-bottom-width:0px;}
.pierwsza {border-left:2px solid blue; border-top-width:0px; border-bottom-width:0px;}
.pierwsza {border-left:2px solid green; border-top-width:0px; border-bottom-width:0px;}
tr.first td {border-top-width:2px;}
tr.last td {border-bottom-width:2px;}

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