Removing float-related properties from the columns section

OK, here's our three-column layout:

Let's recall how it moves to a one-column tube at smaller widths:

Alright, let's go to the CSS file. Now we'll remove all the float-based properties from our columns.

Starting with this:

****************3 columns****************/.column {  float: left;  width: 31.25%; /* 300/960 */  margin-left: 3.125%; /* 30/960 */}.column:first-child {  margin-left: 0;}.columns figure {  margin: 0 auto;  width: 100%;  max-width: 250px;}

Let's basically remove everything ...

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