Add the following code at the end:
/*--- Code tag highlight [ code ]---*/
pre code {
display: block; padding: 0.5em;
background: #f9fafa;
border: 1px solid #dce7e7;
overflow:auto;
white-space: pre;
}
pre .comment,
pre .template_comment,
pre .diff .header,
pre .doctype,
pre .lisp .string,
pre .javadoc {
color: #93a1a1;
font-style: italic;
}
pre .keyword,
pre .css .rule .keyword,
pre .winutils,
pre .javascript .title,
pre .method,
pre .addition,
pre .css .tag,
pre .lisp .title {
color: #859900;
}
pre .number,
pre .command,
pre .string,
pre .tag .value,
pre .phpdoc,
pre .tex .formula,
pre .regexp,
pre .hexcolor {
color: #2aa198;
}
pre .title,
pre .localvars,
pre .function .title,
pre .chunk,
pre .decorator,
pre .builtin,
pre .built_in,
pre .lisp .title,
pre .identifier,
pre .title .keymethods,
pre .id {
color: #268bd2;
}
pre .tag .title,
pre .rules .property,
pre .django .tag .keyword {
font-weight: bold;
}
pre .attribute,
pre .variable,
pre .instancevar,
pre .lisp .body,
pre .smalltalk .number,
pre .constant,
pre .class .title,
pre .parent,
pre .haskell .label {
color: #b58900;
}
pre .preprocessor,
pre .pi,
pre .shebang,
pre .symbol,
pre .diff .change,
pre .special,
pre .keymethods,
pre .attr_selector,
pre .important,
pre .subst,
pre .cdata {
color: #cb4b16;
}
pre .deletion {
color: #dc322f;
}
pre .tex .formula {
background: #eee8d5;
}
Different theme designs are different, some of theme use /style/engine.css, some use /styles/engine.css, some use /css/engine.css, some don't use engine.css file but use different name or file, but the point is to add this tag within the theme anywhere in css file
Add at the end of file:
/*---progress bar length for personal messages---*/
.pm_progress_bar {
border: 1px solid #d8d8d8;
padding: 1px;
margin-top: 10px;
margin-bottom: 10px;
}
.pm_progress_bar span {
background: #000000;
font-size: 0em;
text-indent: -2000em;
height: 10px;
display: block;
overflow: hidden;
}
/*---Displaying the results of voting on the website---*/
.voteprogress {
overflow: hidden;
height: 15px;
margin-bottom: 5px;
background-color: #f7f7f7;
background-image: -moz-linear-gradient(top, #f5f5f5, #f9f9f9);
background-image: -ms-linear-gradient(top, #f5f5f5, #f9f9f9);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#f5f5f5), to(#f9f9f9));
background-image: -webkit-linear-gradient(top, #f5f5f5, #f9f9f9);
background-image: -o-linear-gradient(top, #f5f5f5, #f9f9f9);
background-image: linear-gradient(top, #f5f5f5, #f9f9f9);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f5f5f5', endColorstr='#f9f9f9', GradientType=0);
-webkit-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
-moz-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
-webkit-border-radius: 4px;
-moz-border-radius: 4px;
border-radius: 4px;
}
.voteprogress span {
color: #ffffff;
text-align: center;
text-indent: -2000em;
height: 15px;
display: block;
overflow: hidden;
text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
background: #0e90d2;
background-image: -moz-linear-gradient(top, #149bdf, #0480be);
background-image: -ms-linear-gradient(top, #149bdf, #0480be);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#149bdf), to(#0480be));
background-image: -webkit-linear-gradient(top, #149bdf, #0480be);
background-image: -o-linear-gradient(top, #149bdf, #0480be);
background-image: linear-gradient(top, #149bdf, #0480be);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#149bdf', endColorstr='#0480be', GradientType=0);
}
.voteprogress .vote2 {
background-color: #dd514c;
background-image: -moz-linear-gradient(top, #ee5f5b, #c43c35);
background-image: -ms-linear-gradient(top, #ee5f5b, #c43c35);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#ee5f5b), to(#c43c35));
background-image: -webkit-linear-gradient(top, #ee5f5b, #c43c35);
background-image: -o-linear-gradient(top, #ee5f5b, #c43c35);
background-image: linear-gradient(top, #ee5f5b, #c43c35);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ee5f5b', endColorstr='#c43c35', GradientType=0);
}
.voteprogress .vote3 {
background-color: #5eb95e;
background-image: -moz-linear-gradient(top, #62c462, #57a957);
background-image: -ms-linear-gradient(top, #62c462, #57a957);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#62c462), to(#57a957));
background-image: -webkit-linear-gradient(top, #62c462, #57a957);
background-image: -o-linear-gradient(top, #62c462, #57a957);
background-image: linear-gradient(top, #62c462, #57a957);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#62c462', endColorstr='#57a957', GradientType=0);
}
.voteprogress .vote4 {
background-color: #4bb1cf;
background-image: -moz-linear-gradient(top, #5bc0de, #339bb9);
background-image: -ms-linear-gradient(top, #5bc0de, #339bb9);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#5bc0de), to(#339bb9));
background-image: -webkit-linear-gradient(top, #5bc0de, #339bb9);
background-image: -o-linear-gradient(top, #5bc0de, #339bb9);
background-image: linear-gradient(top, #5bc0de, #339bb9);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#5bc0de', endColorstr='#339bb9', GradientType=0);
}
.voteprogress .vote5 {
background-color: #faa732;
background-image: -moz-linear-gradient(top, #fbb450, #f89406);
background-image: -ms-linear-gradient(top, #fbb450, #f89406);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#fbb450), to(#f89406));
background-image: -webkit-linear-gradient(top, #fbb450, #f89406);
background-image: -o-linear-gradient(top, #fbb450, #f89406);
background-image: linear-gradient(top, #fbb450, #f89406);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fbb450', endColorstr='#f89406', GradientType=0);
}
/*---Displaying the results of poll in the news---*/
.pollprogress {
overflow: hidden;
height: 18px;
margin-bottom: 5px;
background-color: #f7f7f7;
background-image: -moz-linear-gradient(top, #f5f5f5, #f9f9f9);
background-image: -ms-linear-gradient(top, #f5f5f5, #f9f9f9);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#f5f5f5), to(#f9f9f9));
background-image: -webkit-linear-gradient(top, #f5f5f5, #f9f9f9);
background-image: -o-linear-gradient(top, #f5f5f5, #f9f9f9);
background-image: linear-gradient(top, #f5f5f5, #f9f9f9);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f5f5f5', endColorstr='#f9f9f9', GradientType=0);
-webkit-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
-moz-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
-webkit-border-radius: 4px;
-moz-border-radius: 4px;
border-radius: 4px;
}
.pollprogress span {
color: #ffffff;
height: 18px;
display: block;
overflow: hidden;
font-size: 12px;
text-align: center;
text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
background: #0e90d2;
background-image: -moz-linear-gradient(top, #149bdf, #0480be);
background-image: -ms-linear-gradient(top, #149bdf, #0480be);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#149bdf), to(#0480be));
background-image: -webkit-linear-gradient(top, #149bdf, #0480be);
background-image: -o-linear-gradient(top, #149bdf, #0480be);
background-image: linear-gradient(top, #149bdf, #0480be);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#149bdf', endColorstr='#0480be', GradientType=0);
}
.pollprogress .poll2 {
background-color: #dd514c;
background-image: -moz-linear-gradient(top, #ee5f5b, #c43c35);
background-image: -ms-linear-gradient(top, #ee5f5b, #c43c35);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#ee5f5b), to(#c43c35));
background-image: -webkit-linear-gradient(top, #ee5f5b, #c43c35);
background-image: -o-linear-gradient(top, #ee5f5b, #c43c35);
background-image: linear-gradient(top, #ee5f5b, #c43c35);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ee5f5b', endColorstr='#c43c35', GradientType=0);
}
.pollprogress .poll3 {
background-color: #5eb95e;
background-image: -moz-linear-gradient(top, #62c462, #57a957);
background-image: -ms-linear-gradient(top, #62c462, #57a957);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#62c462), to(#57a957));
background-image: -webkit-linear-gradient(top, #62c462, #57a957);
background-image: -o-linear-gradient(top, #62c462, #57a957);
background-image: linear-gradient(top, #62c462, #57a957);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#62c462', endColorstr='#57a957', GradientType=0);
}
.pollprogress .poll4 {
background-color: #4bb1cf;
background-image: -moz-linear-gradient(top, #5bc0de, #339bb9);
background-image: -ms-linear-gradient(top, #5bc0de, #339bb9);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#5bc0de), to(#339bb9));
background-image: -webkit-linear-gradient(top, #5bc0de, #339bb9);
background-image: -o-linear-gradient(top, #5bc0de, #339bb9);
background-image: linear-gradient(top, #5bc0de, #339bb9);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#5bc0de', endColorstr='#339bb9', GradientType=0);
}
.pollprogress .poll5 {
background-color: #faa732;
background-image: -moz-linear-gradient(top, #fbb450, #f89406);
background-image: -ms-linear-gradient(top, #fbb450, #f89406);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#fbb450), to(#f89406));
background-image: -webkit-linear-gradient(top, #fbb450, #f89406);
background-image: -o-linear-gradient(top, #fbb450, #f89406);
background-image: linear-gradient(top, #fbb450, #f89406);
background-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fbb450', endColorstr='#f89406', GradientType=0);
}
Some themes use different folders like "styles" or "css", but what you need is add the code to engine.css within those folders, if your theme doesn't have engine.css, you can add the code to one of your css files