CSS Optimization Checker

TestMyCSS Results forhttp://www.json2yaml.com/css/main.fb44307f4ffaaed0958a286a7e322826.css

Check and Cleanup CSS Offenders

• Complex Selectors5

  Selectors with uneccessary depth and traversal

  Consider simplifying for speed and readability

  .pure-menu-horizontal>.pure-menu-children>.pure-menu-can-have-children>.pure-menu-label:after {}.pure-menu-horizontal>.pure-menu-children>.pure-menu-can-have-children>.pure-menu-label {}.pure-table-bordered tbody>tr:last-child td {}.pure-table-horizontal tbody>tr:last-child td {}.pure-table-horizontal tbody>tr:last-child td {}

• Complex Selectors By Attribute4

  Selectors whose attribute value contains a specified value

  Attribute selectors have a slower lookup time

  [class^="icon-"] {}[class*=" icon-"] {}.pure-g [class*="pure-u"] {}.pure-g [class*="pure-u"] {}

• Duplicated Properties11

  Duplicate properties detected for your selector

  Remove or combine duplicate properties to clean up your css

  pre {white-space: pre-wrap} q, q:after {content: none} .pure-button {color: rgba(0,0,0,0.8)} .pure-button {border: 0 transparent} .pure-button[disabled], .pure-button-disabled, .pure-button-disabled:hover, .pure-button-disabled:focus, .pure-button-disabled:active {filter: alpha(opacity=40)} .pure-form input[type=text]:focus, .pure-form input[type=password]:focus, .pure-form input[type=email]:focus, .pure-form input[type=url]:focus, .pure-form input[type=date]:focus, .pure-form input[type=month]:focus, .pure-form input[type=time]:focus, .pure-form input[type=datetime]:focus, .pure-form input[type=datetime-local]:focus, .pure-form input[type=week]:focus, .pure-form input[type=number]:focus, .pure-form input[type=search]:focus, .pure-form input[type=tel]:focus, .pure-form input[type=color]:focus, .pure-form select:focus, .pure-form textarea:focus {outline: thin dotted \9} .pure-form input:not([type]):focus {outline: thin dotted \9} .pure-form input[type=file]:focus, .pure-form input[type=radio]:focus, .pure-form input[type=checkbox]:focus {outline: 1px auto #129FEA} .cm-searching {background: rgba(255,255,0,0.4)} .copy-btn {background: linear-gradient(to bottom, #999 0%, #7c7c7c 100%)} .copy-btn {text-transform: none !important} 

• Duplicated Selectors17

  .CodeMirror {} /* (3 times) */.CodeMirror-scroll {} /* (3 times) */.pure-button {} /* (2 times) */h2 {} /* (2 times) */h4 {} /* (2 times) */.pure-g {} /* (2 times) */.opera-only :-o-prefocus, .pure-g {} /* (2 times) */.pure-u {} /* (2 times) */.pure-g [class*="pure-u"] {} /* (2 times) */[hidden] {} /* (2 times) */.pure-button::-moz-focus-inner {} /* (2 times) */.pure-menu ul {} /* (2 times) */.CodeMirror div.CodeMirror-cursor {} /* (2 times) */body {} /* (2 times) */.CodeMirror-lines {} /* (2 times) */.CodeMirror pre {} /* (2 times) */.CodeMirror-gutters {} /* (2 times) */

• Importants31

  Provides a way for a stylesheet author to give a CSS value more weight than it naturally has

  Avoid usage if at all possible. When you use !important, you’re disrupting the natural flow of your rules, giving more weight to rules that are undeserving of such weight

  [data-icon] {font-family: "untitled-font-2" !important} [data-icon] {font-style: normal !important} [data-icon] {font-weight: normal !important} [data-icon] {font-variant: normal !important} [data-icon] {text-transform: none !important} [class^="icon-"], [class*=" icon-"] {font-family: "untitled-font-2" !important} [class^="icon-"], [class*=" icon-"] {font-style: normal !important} [class^="icon-"], [class*=" icon-"] {font-weight: normal !important} [class^="icon-"], [class*=" icon-"] {font-variant: normal !important} [class^="icon-"], [class*=" icon-"] {text-transform: none !important} [hidden] {display: none !important} .cm-s-monokai div.CodeMirror-selected {background: #49483E !important} .cm-s-monokai .CodeMirror-cursor {border-left: 1px solid #f8f8f0 !important} .cm-s-monokai .CodeMirror-activeline-background {background: #373831 !important} .cm-s-monokai .CodeMirror-matchingbracket {color: white !important} .status-icon {font-family: 'untitled-font-2' !important} .status-icon {font-weight: normal !important} .status-icon {font-style: normal !important} .status-icon {font-variant: normal !important} .status-icon {text-transform: none !important} .copy-btn {font-family: 'untitled-font-2' !important} .copy-btn {font-weight: normal !important} .copy-btn {font-style: normal !important} .copy-btn {font-variant: normal !important} .copy-btn {text-transform: none !important} .copy-btn {text-transform: none !important} .status-msg {font-family: 'untitled-font-2' !important} .status-msg {font-weight: normal !important} .status-msg {font-style: normal !important} .status-msg {font-variant: normal !important} .status-msg {text-transform: none !important} 

• Multi Classes Selectors12

  Selectors with multiple classes

  Unnecessary specificity, consider reducing to single class or id instead

  .pure-menu.pure-menu-open {}.pure-menu.pure-menu-horizontal {}.pure-menu.pure-menu-horizontal {}.pure-menu.pure-menu-open {}.pure-menu.pure-menu-horizontal {}.pure-menu.pure-menu-horizontal {}.pure-menu.pure-menu-horizontal {}.pure-menu-can-have-children.pure-menu-disabled {}.pure-menu.pure-menu-fixed.pure-menu-open {}.CodeMirror.cm-keymap-fat-cursor {}.CodeMirror.cm-keymap-fat-cursor {}.CodeMirror.cm-s-monokai {}

• Old IE Fixes170

  Rules specific to IE greater than or equal to IE 6 or IE 7

  Lower browser usage for previous versions of IE prevents these rules from being very useful

  audio, canvas, video {*display: inline} audio, canvas, video {*zoom: 1} legend {*margin-left: -7px} button, input, select, textarea {*vertical-align: middle} button, html input[type=button], input[type=reset], input[type=submit] {*overflow: visible} input[type=checkbox], input[type=radio] {*height: 13px} input[type=checkbox], input[type=radio] {*width: 13px} .pure-g {*letter-spacing: normal} .pure-g {*word-spacing: -.43em} .pure-u {*display: inline} .pure-u-1, .pure-u-1-1, .pure-u-1-2, .pure-u-1-3, .pure-u-2-3, .pure-u-1-4, .pure-u-3-4, .pure-u-1-5, .pure-u-2-5, .pure-u-3-5, .pure-u-4-5, .pure-u-5-5, .pure-u-1-6, .pure-u-5-6, .pure-u-1-8, .pure-u-3-8, .pure-u-5-8, .pure-u-7-8, .pure-u-1-12, .pure-u-5-12, .pure-u-7-12, .pure-u-11-12, .pure-u-1-24, .pure-u-2-24, .pure-u-3-24, .pure-u-4-24, .pure-u-5-24, .pure-u-6-24, .pure-u-7-24, .pure-u-8-24, .pure-u-9-24, .pure-u-10-24, .pure-u-11-24, .pure-u-12-24, .pure-u-13-24, .pure-u-14-24, .pure-u-15-24, .pure-u-16-24, .pure-u-17-24, .pure-u-18-24, .pure-u-19-24, .pure-u-20-24, .pure-u-21-24, .pure-u-22-24, .pure-u-23-24, .pure-u-24-24 {*display: inline} .pure-u-1-24 {*width: 4.1357%} .pure-u-1-12, .pure-u-2-24 {*width: 8.3023%} .pure-u-1-8, .pure-u-3-24 {*width: 12.469%} .pure-u-1-6, .pure-u-4-24 {*width: 16.6357%} .pure-u-1-5 {*width: 19.969%} .pure-u-5-24 {*width: 20.8023%} .pure-u-1-4, .pure-u-6-24 {*width: 24.969%} .pure-u-7-24 {*width: 29.1357%} .pure-u-1-3, .pure-u-8-24 {*width: 33.3023%} .pure-u-3-8, .pure-u-9-24 {*width: 37.469%} .pure-u-2-5 {*width: 39.969%} .pure-u-5-12, .pure-u-10-24 {*width: 41.6357%} .pure-u-11-24 {*width: 45.8023%} .pure-u-1-2, .pure-u-12-24 {*width: 49.969%} .pure-u-13-24 {*width: 54.1357%} .pure-u-7-12, .pure-u-14-24 {*width: 58.3023%} .pure-u-3-5 {*width: 59.969%} .pure-u-5-8, .pure-u-15-24 {*width: 62.469%} .pure-u-2-3, .pure-u-16-24 {*width: 66.6357%} .pure-u-17-24 {*width: 70.8023%} .pure-u-3-4, .pure-u-18-24 {*width: 74.969%} .pure-u-19-24 {*width: 79.1357%} .pure-u-4-5 {*width: 79.969%} .pure-u-5-6, .pure-u-20-24 {*width: 83.3023%} .pure-u-7-8, .pure-u-21-24 {*width: 87.469%} .pure-u-11-12, .pure-u-22-24 {*width: 91.6357%} .pure-u-23-24 {*width: 95.8023%} .pure-button {*display: inline} .pure-button {*font-size: 90%} .pure-button {*overflow: visible} .pure-button {*color: #444} .pure-button-hover, .pure-button:hover, .pure-button:focus {filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#00000000', endColorstr='#1a000000', GradientType=0)} .pure-button[disabled], .pure-button-disabled, .pure-button-disabled:hover, .pure-button-disabled:focus, .pure-button-disabled:active {filter: progid:DXImageTransform.Microsoft.gradient(enabled=false)} .pure-form-aligned input, .pure-form-aligned textarea, .pure-form-aligned select, .pure-form-aligned .pure-help-inline, .pure-form-message-inline {*display: inline} .pure-form-aligned input, .pure-form-aligned textarea, .pure-form-aligned select, .pure-form-aligned .pure-help-inline, .pure-form-message-inline {*zoom: 1} .pure-menu.pure-menu-horizontal>.pure-menu-heading {*display: inline} .pure-menu.pure-menu-horizontal>ul {*display: inline} .pure-menu-horizontal li {*display: inline} .pure-paginator {*letter-spacing: normal} .pure-paginator {*word-spacing: -.43em} .pure-paginator li {*display: inline} .pure-g {*letter-spacing: normal} .pure-g {*word-spacing: -.43em} .pure-u {*display: inline} .pure-u-sm-1, .pure-u-sm-1-1, .pure-u-sm-1-2, .pure-u-sm-1-3, .pure-u-sm-2-3, .pure-u-sm-1-4, .pure-u-sm-3-4, .pure-u-sm-1-5, .pure-u-sm-2-5, .pure-u-sm-3-5, .pure-u-sm-4-5, .pure-u-sm-5-5, .pure-u-sm-1-6, .pure-u-sm-5-6, .pure-u-sm-1-8, .pure-u-sm-3-8, .pure-u-sm-5-8, .pure-u-sm-7-8, .pure-u-sm-1-12, .pure-u-sm-5-12, .pure-u-sm-7-12, .pure-u-sm-11-12, .pure-u-sm-1-24, .pure-u-sm-2-24, .pure-u-sm-3-24, .pure-u-sm-4-24, .pure-u-sm-5-24, .pure-u-sm-6-24, .pure-u-sm-7-24, .pure-u-sm-8-24, .pure-u-sm-9-24, .pure-u-sm-10-24, .pure-u-sm-11-24, .pure-u-sm-12-24, .pure-u-sm-13-24, .pure-u-sm-14-24, .pure-u-sm-15-24, .pure-u-sm-16-24, .pure-u-sm-17-24, .pure-u-sm-18-24, .pure-u-sm-19-24, .pure-u-sm-20-24, .pure-u-sm-21-24, .pure-u-sm-22-24, .pure-u-sm-23-24, .pure-u-sm-24-24 {*display: inline} .pure-u-sm-1-24 {*width: 4.1357%} .pure-u-sm-1-12, .pure-u-sm-2-24 {*width: 8.3023%} .pure-u-sm-1-8, .pure-u-sm-3-24 {*width: 12.469%} .pure-u-sm-1-6, .pure-u-sm-4-24 {*width: 16.6357%} .pure-u-sm-1-5 {*width: 19.969%} .pure-u-sm-5-24 {*width: 20.8023%} .pure-u-sm-1-4, .pure-u-sm-6-24 {*width: 24.969%} .pure-u-sm-7-24 {*width: 29.1357%} .pure-u-sm-1-3, .pure-u-sm-8-24 {*width: 33.3023%} .pure-u-sm-3-8, .pure-u-sm-9-24 {*width: 37.469%} .pure-u-sm-2-5 {*width: 39.969%} .pure-u-sm-5-12, .pure-u-sm-10-24 {*width: 41.6357%} .pure-u-sm-11-24 {*width: 45.8023%} .pure-u-sm-1-2, .pure-u-sm-12-24 {*width: 49.969%} .pure-u-sm-13-24 {*width: 54.1357%} .pure-u-sm-7-12, .pure-u-sm-14-24 {*width: 58.3023%} .pure-u-sm-3-5 {*width: 59.969%} .pure-u-sm-5-8, .pure-u-sm-15-24 {*width: 62.469%} .pure-u-sm-2-3, .pure-u-sm-16-24 {*width: 66.6357%} .pure-u-sm-17-24 {*width: 70.8023%} .pure-u-sm-3-4, .pure-u-sm-18-24 {*width: 74.969%} .pure-u-sm-19-24 {*width: 79.1357%} .pure-u-sm-4-5 {*width: 79.969%} .pure-u-sm-5-6, .pure-u-sm-20-24 {*width: 83.3023%} .pure-u-sm-7-8, .pure-u-sm-21-24 {*width: 87.469%} .pure-u-sm-11-12, .pure-u-sm-22-24 {*width: 91.6357%} .pure-u-sm-23-24 {*width: 95.8023%} .pure-u-md-1, .pure-u-md-1-1, .pure-u-md-1-2, .pure-u-md-1-3, .pure-u-md-2-3, .pure-u-md-1-4, .pure-u-md-3-4, .pure-u-md-1-5, .pure-u-md-2-5, .pure-u-md-3-5, .pure-u-md-4-5, .pure-u-md-5-5, .pure-u-md-1-6, .pure-u-md-5-6, .pure-u-md-1-8, .pure-u-md-3-8, .pure-u-md-5-8, .pure-u-md-7-8, .pure-u-md-1-12, .pure-u-md-5-12, .pure-u-md-7-12, .pure-u-md-11-12, .pure-u-md-1-24, .pure-u-md-2-24, .pure-u-md-3-24, .pure-u-md-4-24, .pure-u-md-5-24, .pure-u-md-6-24, .pure-u-md-7-24, .pure-u-md-8-24, .pure-u-md-9-24, .pure-u-md-10-24, .pure-u-md-11-24, .pure-u-md-12-24, .pure-u-md-13-24, .pure-u-md-14-24, .pure-u-md-15-24, .pure-u-md-16-24, .pure-u-md-17-24, .pure-u-md-18-24, .pure-u-md-19-24, .pure-u-md-20-24, .pure-u-md-21-24, .pure-u-md-22-24, .pure-u-md-23-24, .pure-u-md-24-24 {*display: inline} .pure-u-md-1-24 {*width: 4.1357%} .pure-u-md-1-12, .pure-u-md-2-24 {*width: 8.3023%} .pure-u-md-1-8, .pure-u-md-3-24 {*width: 12.469%} .pure-u-md-1-6, .pure-u-md-4-24 {*width: 16.6357%} .pure-u-md-1-5 {*width: 19.969%} .pure-u-md-5-24 {*width: 20.8023%} .pure-u-md-1-4, .pure-u-md-6-24 {*width: 24.969%} .pure-u-md-7-24 {*width: 29.1357%} .pure-u-md-1-3, .pure-u-md-8-24 {*width: 33.3023%} .pure-u-md-3-8, .pure-u-md-9-24 {*width: 37.469%} .pure-u-md-2-5 {*width: 39.969%} .pure-u-md-5-12, .pure-u-md-10-24 {*width: 41.6357%} .pure-u-md-11-24 {*width: 45.8023%} .pure-u-md-1-2, .pure-u-md-12-24 {*width: 49.969%} .pure-u-md-13-24 {*width: 54.1357%} .pure-u-md-7-12, .pure-u-md-14-24 {*width: 58.3023%} .pure-u-md-3-5 {*width: 59.969%} .pure-u-md-5-8, .pure-u-md-15-24 {*width: 62.469%} .pure-u-md-2-3, .pure-u-md-16-24 {*width: 66.6357%} .pure-u-md-17-24 {*width: 70.8023%} .pure-u-md-3-4, .pure-u-md-18-24 {*width: 74.969%} .pure-u-md-19-24 {*width: 79.1357%} .pure-u-md-4-5 {*width: 79.969%} .pure-u-md-5-6, .pure-u-md-20-24 {*width: 83.3023%} .pure-u-md-7-8, .pure-u-md-21-24 {*width: 87.469%} .pure-u-md-11-12, .pure-u-md-22-24 {*width: 91.6357%} .pure-u-md-23-24 {*width: 95.8023%} .pure-u-lg-1, .pure-u-lg-1-1, .pure-u-lg-1-2, .pure-u-lg-1-3, .pure-u-lg-2-3, .pure-u-lg-1-4, .pure-u-lg-3-4, .pure-u-lg-1-5, .pure-u-lg-2-5, .pure-u-lg-3-5, .pure-u-lg-4-5, .pure-u-lg-5-5, .pure-u-lg-1-6, .pure-u-lg-5-6, .pure-u-lg-1-8, .pure-u-lg-3-8, .pure-u-lg-5-8, .pure-u-lg-7-8, .pure-u-lg-1-12, .pure-u-lg-5-12, .pure-u-lg-7-12, .pure-u-lg-11-12, .pure-u-lg-1-24, .pure-u-lg-2-24, .pure-u-lg-3-24, .pure-u-lg-4-24, .pure-u-lg-5-24, .pure-u-lg-6-24, .pure-u-lg-7-24, .pure-u-lg-8-24, .pure-u-lg-9-24, .pure-u-lg-10-24, .pure-u-lg-11-24, .pure-u-lg-12-24, .pure-u-lg-13-24, .pure-u-lg-14-24, .pure-u-lg-15-24, .pure-u-lg-16-24, .pure-u-lg-17-24, .pure-u-lg-18-24, .pure-u-lg-19-24, .pure-u-lg-20-24, .pure-u-lg-21-24, .pure-u-lg-22-24, .pure-u-lg-23-24, .pure-u-lg-24-24 {*display: inline} .pure-u-lg-1-24 {*width: 4.1357%} .pure-u-lg-1-12, .pure-u-lg-2-24 {*width: 8.3023%} .pure-u-lg-1-8, .pure-u-lg-3-24 {*width: 12.469%} .pure-u-lg-1-6, .pure-u-lg-4-24 {*width: 16.6357%} .pure-u-lg-1-5 {*width: 19.969%} .pure-u-lg-5-24 {*width: 20.8023%} .pure-u-lg-1-4, .pure-u-lg-6-24 {*width: 24.969%} .pure-u-lg-7-24 {*width: 29.1357%} .pure-u-lg-1-3, .pure-u-lg-8-24 {*width: 33.3023%} .pure-u-lg-3-8, .pure-u-lg-9-24 {*width: 37.469%} .pure-u-lg-2-5 {*width: 39.969%} .pure-u-lg-5-12, .pure-u-lg-10-24 {*width: 41.6357%} .pure-u-lg-11-24 {*width: 45.8023%} .pure-u-lg-1-2, .pure-u-lg-12-24 {*width: 49.969%} .pure-u-lg-13-24 {*width: 54.1357%} .pure-u-lg-7-12, .pure-u-lg-14-24 {*width: 58.3023%} .pure-u-lg-3-5 {*width: 59.969%} .pure-u-lg-5-8, .pure-u-lg-15-24 {*width: 62.469%} .pure-u-lg-2-3, .pure-u-lg-16-24 {*width: 66.6357%} .pure-u-lg-17-24 {*width: 70.8023%} .pure-u-lg-3-4, .pure-u-lg-18-24 {*width: 74.969%} .pure-u-lg-19-24 {*width: 79.1357%} .pure-u-lg-4-5 {*width: 79.969%} .pure-u-lg-5-6, .pure-u-lg-20-24 {*width: 83.3023%} .pure-u-lg-7-8, .pure-u-lg-21-24 {*width: 87.469%} .pure-u-lg-11-12, .pure-u-lg-22-24 {*width: 91.6357%} .pure-u-lg-23-24 {*width: 95.8023%} .pure-u-xl-1, .pure-u-xl-1-1, .pure-u-xl-1-2, .pure-u-xl-1-3, .pure-u-xl-2-3, .pure-u-xl-1-4, .pure-u-xl-3-4, .pure-u-xl-1-5, .pure-u-xl-2-5, .pure-u-xl-3-5, .pure-u-xl-4-5, .pure-u-xl-5-5, .pure-u-xl-1-6, .pure-u-xl-5-6, .pure-u-xl-1-8, .pure-u-xl-3-8, .pure-u-xl-5-8, .pure-u-xl-7-8, .pure-u-xl-1-12, .pure-u-xl-5-12, .pure-u-xl-7-12, .pure-u-xl-11-12, .pure-u-xl-1-24, .pure-u-xl-2-24, .pure-u-xl-3-24, .pure-u-xl-4-24, .pure-u-xl-5-24, .pure-u-xl-6-24, .pure-u-xl-7-24, .pure-u-xl-8-24, .pure-u-xl-9-24, .pure-u-xl-10-24, .pure-u-xl-11-24, .pure-u-xl-12-24, .pure-u-xl-13-24, .pure-u-xl-14-24, .pure-u-xl-15-24, .pure-u-xl-16-24, .pure-u-xl-17-24, .pure-u-xl-18-24, .pure-u-xl-19-24, .pure-u-xl-20-24, .pure-u-xl-21-24, .pure-u-xl-22-24, .pure-u-xl-23-24, .pure-u-xl-24-24 {*display: inline} .pure-u-xl-1-24 {*width: 4.1357%} .pure-u-xl-1-12, .pure-u-xl-2-24 {*width: 8.3023%} .pure-u-xl-1-8, .pure-u-xl-3-24 {*width: 12.469%} .pure-u-xl-1-6, .pure-u-xl-4-24 {*width: 16.6357%} .pure-u-xl-1-5 {*width: 19.969%} .pure-u-xl-5-24 {*width: 20.8023%} .pure-u-xl-1-4, .pure-u-xl-6-24 {*width: 24.969%} .pure-u-xl-7-24 {*width: 29.1357%} .pure-u-xl-1-3, .pure-u-xl-8-24 {*width: 33.3023%} .pure-u-xl-3-8, .pure-u-xl-9-24 {*width: 37.469%} .pure-u-xl-2-5 {*width: 39.969%} .pure-u-xl-5-12, .pure-u-xl-10-24 {*width: 41.6357%} .pure-u-xl-11-24 {*width: 45.8023%} .pure-u-xl-1-2, .pure-u-xl-12-24 {*width: 49.969%} .pure-u-xl-13-24 {*width: 54.1357%} .pure-u-xl-7-12, .pure-u-xl-14-24 {*width: 58.3023%} .pure-u-xl-3-5 {*width: 59.969%} .pure-u-xl-5-8, .pure-u-xl-15-24 {*width: 62.469%} .pure-u-xl-2-3, .pure-u-xl-16-24 {*width: 66.6357%} .pure-u-xl-17-24 {*width: 70.8023%} .pure-u-xl-3-4, .pure-u-xl-18-24 {*width: 74.969%} .pure-u-xl-19-24 {*width: 79.1357%} .pure-u-xl-4-5 {*width: 79.969%} .pure-u-xl-5-6, .pure-u-xl-20-24 {*width: 83.3023%} .pure-u-xl-7-8, .pure-u-xl-21-24 {*width: 87.469%} .pure-u-xl-11-12, .pure-u-xl-22-24 {*width: 91.6357%} .pure-u-xl-23-24 {*width: 95.8023%} .CodeMirror-gutter {*zoom: 1} .CodeMirror-gutter {*display: inline} .CodeMirror span {*vertical-align: text-bottom} 

• Old Property Prefixes14

  Properties with a no longer needed vendor prefix

  These have since been integrated or removed from mentioned browsers and can safely be removed from CSS

  hr { -moz-box-sizing: content-box } // was required by firefox 28 and earlier input[type=search] { -moz-box-sizing: content-box } // was required by firefox 28 and earlier input[type=search] { -webkit-box-sizing: content-box } // was required by android 3, chrome 9, ios_saf 4.2, safari 5 and earlier .pure-form input[type=text], .pure-form input[type=password], .pure-form input[type=email], .pure-form input[type=url], .pure-form input[type=date], .pure-form input[type=month], .pure-form input[type=time], .pure-form input[type=datetime], .pure-form input[type=datetime-local], .pure-form input[type=week], .pure-form input[type=number], .pure-form input[type=search], .pure-form input[type=tel], .pure-form input[type=color], .pure-form select, .pure-form textarea { -webkit-box-sizing: border-box } // was required by android 3, chrome 9, ios_saf 4.2, safari 5 and earlier .pure-form input[type=text], .pure-form input[type=password], .pure-form input[type=email], .pure-form input[type=url], .pure-form input[type=date], .pure-form input[type=month], .pure-form input[type=time], .pure-form input[type=datetime], .pure-form input[type=datetime-local], .pure-form input[type=week], .pure-form input[type=number], .pure-form input[type=search], .pure-form input[type=tel], .pure-form input[type=color], .pure-form select, .pure-form textarea { -moz-box-sizing: border-box } // was required by firefox 28 and earlier .pure-form input:not([type]) { -webkit-box-sizing: border-box } // was required by android 3, chrome 9, ios_saf 4.2, safari 5 and earlier .pure-form input:not([type]) { -moz-box-sizing: border-box } // was required by firefox 28 and earlier .CodeMirror-linenumber { -moz-box-sizing: content-box } // was required by firefox 28 and earlier .cm-animate-fat-cursor { -moz-animation: blink 1.06s steps(1) infinite } // was required by firefox 15 and earlier .CodeMirror-scroll { -moz-box-sizing: content-box } // was required by firefox 28 and earlier .CodeMirror-sizer { -moz-box-sizing: content-box } // was required by firefox 28 and earlier .CodeMirror-gutter { -moz-box-sizing: content-box } // was required by firefox 28 and earlier .CodeMirror pre { -moz-border-radius: 0 } // was required by firefox 3.6 and earlier .CodeMirror pre { -webkit-border-radius: 0 } // was required by android 2.1, chrome 4, ios_saf 3.2, safari 4 and earlier 

• Qualified Selectors35

  Since IDs are unique and classes are more unique than tags, adding a tag name would slow down the matching process needlessly

  Don’t qualify class or ID rules with tag names, as they are more unique than the tag. Strip tag names where possible

  a.pure-button-primary {}a.pure-button-selected {}.pure-form input.pure-input-rounded {}.pure-menu-horizontal li.pure-menu-separator {}.pure-menu-horizontal li li.pure-menu-separator {}.pure-menu li.pure-menu-disabled a:hover {}.pure-menu li.pure-menu-disabled a:focus {}.CodeMirror div.CodeMirror-cursor {}.CodeMirror div.CodeMirror-secondarycursor {}.CodeMirror.cm-keymap-fat-cursor div.CodeMirror-cursor {}.CodeMirror.cm-keymap-fat-cursor div.CodeMirror-cursors {}div.CodeMirror span.CodeMirror-matchingbracket {}div.CodeMirror span.CodeMirror-matchingbracket {}div.CodeMirror span.CodeMirror-nonmatchingbracket {}div.CodeMirror span.CodeMirror-nonmatchingbracket {}.CodeMirror div.CodeMirror-cursor {}div.CodeMirror-cursors {}.CodeMirror-focused div.CodeMirror-cursors {}.CodeMirror div.CodeMirror-cursors {}span.CodeMirror-selectedtext {}.cm-s-monokai div.CodeMirror-selected {}.cm-s-monokai span.cm-comment {}.cm-s-monokai span.cm-atom {}.cm-s-monokai span.cm-number {}.cm-s-monokai span.cm-property {}.cm-s-monokai span.cm-attribute {}.cm-s-monokai span.cm-keyword {}.cm-s-monokai span.cm-string {}.cm-s-monokai span.cm-variable {}.cm-s-monokai span.cm-variable-2 {}.cm-s-monokai span.cm-def {}.cm-s-monokai span.cm-bracket {}.cm-s-monokai span.cm-tag {}.cm-s-monokai span.cm-link {}.cm-s-monokai span.cm-error {}

• Universal Selectors10

  The universal selector matches any element type

  Universal selectors can be implied (and therefore omitted) if it isn’t the only component of the simple selector, avoid whenever possible

  [data-icon] {}[class^="icon-"] {}[class*=" icon-"] {}[hidden] {}[hidden] {}.opera-only :-o-prefocus {}.pure-g [class*="pure-u"] {}.opera-only :-o-prefocus {}.opera-only :-o-prefocus {}.pure-g [class*="pure-u"] {}

CSS Metrics