```css
/* =========================================
   Minnesota Books and Goods
   ========================================= */

/* Global box sizing */
* {
    box-sizing: border-box;
}

/* Page */
html,
body {
    margin: 0;
    padding: 0;
}

/* Body background */
body {
    background-color: #ffffff;
    font-family: Arial, sans-serif;
}

/* Main sidebar container */
.books-container {
    width: 160px;
    min-height: 750px;
    margin: 0;
    padding: 0;
}

/* Book table */
.book-table {
    width: 160px;
    min-height: 750px;
    background-color: #ffffff;
    border-collapse: collapse;
    font-family: Arial, sans-serif;
    font-size: 10pt;
}

/* Table cells */
.book-table td {
    width: 160px;
    padding: 8px 5px;
    text-align: center;
    vertical-align: top;
}

/* Book images */
.book-table td > a > img {
    display: block;
    width: auto;
    max-width: 150px;
    height: auto;
    margin: 0 auto;
    border: 0;
}

/* Links */
.book-table a {
    color: #0000ee;
    text-decoration: underline;
}

/* Link hover */
.book-table a:hover {
    color: #551a8b;
}

/* Amazon tracking pixels */
.tracking-pixel {
    width: 1px !important;
    height: 1px !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    display: inline !important;
}
```