.artop, .arbottom{display:block}
.artop *, .arbottom *{display: block; height: 1px; overflow: hidden}
.re1{margin: 0px 5px}
.re2{margin: 0px 3px}
.re3{margin: 0 2px}
.re4{margin: 0 1px; height: 2px}

body {
    background: url('https://web-archive.nli.org.il/National_Library/20160526010038oe_/http://phpsecurity.org/gradient.jpg');
    background-color: #000;
    background-position: 0 66px;
    background-repeat: no-repeat;
    color: #A5A5A5;
    font-family: Verdana, Helvetica, sans-serif;
    font-size: 10pt;
    font-weight: normal;
    line-height: 15pt;
    font-style: normal;
    margin: 0 0 0 0;
    padding: 0 0 0 0;
}

div#book {
    margin: 0px 0px 0px 65px;
    float: left;
}

div#toc {
    clear: both;
    float: left;
    margin: 20px 0px 0px 50px;
    width: 175px;
    font-size: 9pt;
}

div#toc ol {
    margin: 0px;
}

ol a, ol a:link, ol a:hover, ol a:active {
    font-weight: normal;
}
div#title {
    height: 150px;
    padding-top: 72px;
    margin: 0px 0px 0px 280px;
}

div#top_nav {
    margin: 8px 0px 0px 12px;
}

.divider {
    font-size: 8pt;
    padding: 0px 3px 0px 3px;
    color: #525252;
}

#title a,#title a:hover,#title a:active,#title a:link {
    color: #fff;
    text-decoration: none;
    font-size: 8.5pt;
    letter-spacing: .76pt;
    font-weight: normal;
    font-family: Helvetice Neue, Helvetica, sans-serif;
}

#title a:hover {
    text-decoration: underline;
}

.content {
    width: 375px;
    margin: -15px 0px 0px 292px;
}
h3#name {
    font-style: italic;
    text-align: right;
    font-weight: normal;
}
a#current {
    text-decoration: underline;
}

h2 {
    font-weight: normal;
    font-family: "Helvetica Neue", Helvetica, sans-serif;
    color: #fff;
}
a,a:visited,a:active,a:link {
    color: #e4e4e4;
    text-decoration: underline;
}

a:hover {
    color: #fff;
}

div.review {
    width: 375px;
}

div.review p {
    font-size: 9pt;
    margin: 5px 10px 0px 20px;
}

div.review_even {
    background: #0f0f0f;
}

div.review_odd {
    margin: 20px 0px 20px 0px;
}

cite {
    width: 320px;
    margin: 5px 0px 0px 0px;
    display: block;
    text-align: right;
}

#errata_heading {
    width: 400px;
    height: 11px;
    line-height: 14pt;
    color: #666;
    border-top: 1px solid #646464;
}

.error {
    margin: 10px 0px 0px 0px;
    width: 400px;
    border-top: 1px solid #646464;
    padding-top: 5px;
}

.errata_number {
    width: 30px;
    float: left; 
    font-size: 20pt; 
    text-align: right;
    padding: 0px 15px 0px 0px;
}

.errata_text {
    margin-left: 56px;
}

.errata_note {
    margin-top: 4px;
}

pre {
    font-size: 8pt;
}

.code_snippet {
   width: 550px;
}
.snippet_name {
   font-weight: bold;
}
.snippet_links {
   font-size: 9pt;
   padding-left: 20px;
}

.snippet_link_download {
   background: #000 url('https://web-archive.nli.org.il/National_Library/20160526010038oe_/http://phpsecurity.org/download.png') no-repeat;
}

.snippet_link_view {
   background: #000 url('https://web-archive.nli.org.il/National_Library/20160526010038oe_/http://phpsecurity.org/view.png') no-repeat;
}

code {
   font-size: 9.5pt;
   font-family: monospace;
}
span.comment {
   color: #666;
}

span.language {
   color: #74bbbc;
}

span.string {
   color: #84bc74;
}

span.keyword {
   color: #d7ebea;
}

.chapter_code {
    margin-bottom: 25px;
}

.chapter_heading {
    border-bottom: 1px solid #74bbbc;
    color: #74bbbc;
    margin: 0px;
    padding: 0px;
}

.code_listing {
    margin: 5px;
    margin-bottom: 15px;
}