the column values are not aligning in responsive table

[porom]

when you reduce the browser window you will see a different lay out for smaller windows.. My responsive tables works fine .... but both the column values don't align in the same line....how to fix it... providing my code below....working codehttp://jsfiddle.net/hcz88/\[code\]@media only screen and (max-width: 760px), (min-device-width: 768px) and (max-device-width: 1024px) { /* Force table to not be like tables anymore */ table, thead, tbody, th, td, tr { display: block; } /* Hide table headers (but not display: none;, for accessibility) */ thead tr { position: absolute; top: -9999px; left: -9999px; } tr { border: 1px solid #ccc; } td { /* Behave like a "row" */ border: none; border-bottom: 1px solid #eee; position: relative; padding-left: 50%; } td:before { /* Now like a table header */ position: absolute; /* Top/left values mimic padding */ top: 6px; left: 6px; width: 45%; padding-right: 10px; white-space: nowrap; } /* Label the data */ td:nth-of-type(1):before { content: "MFG P/N"; } td:nth-of-type(2):before { content: "MFG Name"; } td:nth-of-type(3):before { content: "Part ID"; } td:nth-of-type(4):before { content: "Description"; } td:nth-of-type(5):before { content: "Cost"; } td:nth-of-type(6):before { content: "Price"; } td:nth-of-type(7):before { content: "On Hand"; } td:nth-of-type(8):before { content: "On Order"; } td:nth-of-type(9):before { content: "Allocated"; } td:nth-of-type(10):before { content: "Shipped"; } td:nth-of-type(11):before { content: "Report"; } td:nth-of-type(12):before { content: "RMA"; } td:nth-of-type(10):before { content: "File"; } td:nth-of-type(10):before { content: "Add Part"; } }\[/code\]