Tarski Child Theme: layout 140px wider

functions.php

<?php

define('HEADER_IMAGE_WIDTH', 860);
define('HEADER_IMAGE_HEIGHT', 180);

$content_width = 640;

style.css

/*
Theme Name: My Tarski
Template: tarski
*/

body {
  min-width: 900px;
}

#wrapper {
  width: 900px;
}

body .primary {
  width: 640px;
}

body .content img {
  max-width: 640px;
}

body .content a img {
  max-width: 638px;
}

body .wp-caption {
  max-width: 630px;
}

body .content .wp-caption img {
  max-width: 630px;
}

body .content .wp-caption a img {
  max-width: 628px;
}