Со временем у каждого веб-разработчика скапливается некоторое количество шаблонов, которые он просто копирует из проекта в проект. Приведу несколько таких примеров, которые скопились у меня. 

CSS Reset

Eric Meyer CSS Reset

/* https://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/
 
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
    display: block;
}
body {
    line-height: 1;
}
ol, ul {
    list-style: none;
}
blockquote, q {
    quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
    content: '';
    content: none;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}

Он же, но в сжатой версии:

html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{border:0;font-size:100%;font:inherit;vertical-align:baseline;margin:0;padding:0}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:none}table{border-collapse:collapse;border-spacing:0}

HTML5 Doctor Reset

/* html5doctor.com Reset Stylesheet v1.6.1
Last Updated: 2010-09-17
Author: Richard Clark - https://richclarkdesign.com
*/
html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
    margin:0;
    padding:0;
    border:0;
    outline:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}
body {
    line-height:1;
}
article,aside,details,figcaption,figure,
footer,header,hgroup,menu,nav,section {
    display:block;
}
nav ul {
    list-style:none;
}
blockquote, q {
    quotes:none;
}
blockquote:before, blockquote:after,
q:before, q:after {
    content:'';
    content:none;
}
a {
    margin:0;
    padding:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}
/* change colours to suit your needs */
ins {
    background-color:#ff9;
    color:#000;
    text-decoration:none;
}
/* change colours to suit your needs */
mark {
    background-color:#ff9;
    color:#000;
    font-style:italic;
    font-weight:bold;
}
del {
    text-decoration: line-through;
}
abbr[title], dfn[title] {
    border-bottom:1px dotted;
    cursor:help;
}
table {
    border-collapse:collapse;
    border-spacing:0;
}
/* change border colour to suit your needs */
hr {
    display:block;
    height:1px;
    border:0;
    border-top:1px solid #cccccc;
    margin:1em 0;
    padding:0;
}
input, select {
    vertical-align:middle;
}

Сжатая версия:

html,body,div,span,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,abbr,address,cite,code,del,dfn,em,img,ins,kbd,q,samp,small,strong,sub,sup,var,b,i,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,figcaption,figure,footer,header,hgroup,menu,nav,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;outline:0;font-size:100%;vertical-align:baseline;background:transparent}body{line-height:1}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}nav ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:none}a{margin:0;padding:0;font-size:100%;vertical-align:baseline;background:transparent}ins{background-color:#ff9;color:#000;text-decoration:none}mark{background-color:#ff9;color:#000;font-style:italic;font-weight:bold}del{text-decoration:line-through}abbr[title],dfn[title]{border-bottom:1px dotted;cursor:help}table{border-collapse:collapse;border-spacing:0}hr{display:block;height:1px;border:0;border-top:1px solid #ccc;margin:1em 0;padding:0}input,select{vertical-align:middle}

Basic HTML

Базовая структура HTML5

<!DOCTYPE html>
<!--[if lt IE 7 ]> <html lang="en" class="no-js ie6"> <![endif]-->
<!--[if IE 7 ]>    <html lang="en" class="no-js ie7"> <![endif]-->
<!--[if IE 8 ]>    <html lang="en" class="no-js ie8"> <![endif]-->
<!--[if IE 9 ]>    <html lang="en" class="no-js ie9"> <![endif]-->
<!--[if (gt IE 9)|!(IE)]><!--> <html lang="en" class="no-js"> <!--<![endif]-->
<head>
  <meta charset="utf-8" />
  <meta name="description" content="" />
  <meta name="author" content="" />
  <title></title>
  <link href="css/style.css?v=1" rel="stylesheet" type="text/css" media="screen" />
  <link href="css/style_print.css?v=1" rel="stylesheet" type="text/css" media="print" />
  <script type="text/javascript" src="scripts/swfobject.js"></script>
  <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.2/jquery.min.js"></script>
  <script type="text/javascript" src="scripts/funcionalidades.js"></script>
  <!--[if lt IE 9]>
    <script src="https://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
    <script src="scripts/innershiv.min.js"></script>
  <![endif]-->
  <!--[if IE 6]><script type="text/javascript" src="scripts/DD_belatedPNG_0.0.8a-min.js"></script><![endif]-->
  <!--[if lt IE 8]><script src="scripts/font.js"></script><![endif]-->
</head>
<body>
<!-- open limits -->
<div id="limits">
 
<!-- open top -->
  <header id="top">
     
  </header>
<!-- close top -->
 
<!-- open content -->
  <div id="content">
     
  </div>
<!-- close content -->
 
<!-- open footer -->
  <footer id="footer">
     
  </footer>
<!-- close footer -->
   
</div>
<!-- close limits -->
</body>
</html>

 

Код для вставки flash: 

<object id="Flash1" width="558" height="162" data="filename.swf" type="application/x-shockwave-flash">
        <param name="data" value="filename.swf" />
        <param name="quality" value="high" />
        <param name="scale" value="noborder" />
        <param name="wmode" value="transparent" />
        <param name="bgcolor" value="#FFFFFF" />
        <param name="src" value="filename.swf" />
        <param name="name" value="Flash1" />
</object>

Код для вставки jQuery из Google CDN: 

<script type="text/javasctipt" src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js"></script>

Код подключения CSS:

<link rel="stylesheet" href="/css/styles.css" type="text/css" media="screen" />

Код указания на RSS:

<link rel="alternate" type="application/rss+xml" title="RSS 2.0" href="https://feeds.feedburner.com/Everstudentru">

Есть еще много различных текстовых сниппетов, запоминать которые лень. Если лень еще и набирать их, то есть такая замечательная программа Texter. С помощью нее можно поставить каждому сниппету соответствие из какого слова, при наборе которого оно будет автоматом меняться на сниппет. Очень удобно.