Do you know what CSS Reset is? Usually, it is also written as Reset CSS, which resets the browser's style. In various browsers, some default values are used for CSS selectors. For example, when h1 is not set to a value, a certain size is displayed. But not all browsers use the same values, so CSS Reset is used to make the style of the web page behave consistently in each browser.
If you are using CSS, have you ever used CSS Reset? Of course, maybe you use it but don’t know you are using it. For example, you may use:
| * { padding: 0; margin: 0; border: 0; } |
This is also a CSS Reset method that sets the padding, margin and border of all selectors to 0. This is a powerful method, the simplest and safest, however, it is also the most resource intensive. For small websites, using this will not cause a big waste of resources, but if it is a website with a very large structure like Yahoo, you just need to selectively reset CSS to reduce resource waste. The following is Yahoo’s CSS reset code, which is also the most popular CSS Reset method. The method chosen by YUI is:
| body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre, form,fieldset,input,textarea,p,blockquote,th,td { padding: 0; margin: 0; } table { border-collapse: collapse; border-spacing: 0; } fieldset,img { border: 0; } address,caption,cite,code,dfn,em,strong,th,var { font-weight: normal; font-style: normal; } ol,ul { list-style: none; } caption,th { text-align: left; } h1,h2,h3,h4,h5,h6 { font-weight: normal; font-size: 100%; } q:before,q:after { content:”; } abbr,acronym { border: 0; } |
OK, I believe you already understand the purpose of CSS reset. Maybe you can also write your own CSS reset system according to your own preferences. After all, everyone's needs and habits are different. And you can refer to the following ones:
Ateneu Popular CSS Reset
| 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, font, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td { margin: 0; padding: 0; border: 0; outline: 0; font-weight: inherit; font-style: inherit; font-size: 100%; font-family: inherit; vertical-align: baseline; } :focus {outline: 0;} a, a:link, a:visited, a:hover, a:active{text-decoration:none} table { border-collapse: separate; border-spacing: 0;} th, td {text-align: left; font-weight: normal;} img, iframe {border: none; text-decoration:none;} ol, ul {list-style: none;} input, textarea, select, button {font-size: 100%;font-family: inherit;} select {margin: inherit;} hr {margin: 0;padding: 0;border: 0;color: #000;background-color: #000;height: 1px} |
Chris Poteet's Reset CSS
| * { vertical-align: baseline; font-family: inherit; font-style: inherit; font-size: 100%; border: none; padding: 0; margin: 0; } body { padding: 5px; } h1, h2, h3, h4, h5, h6, p, pre, blockquote, form, ul, ol, dl { margin: 20px 0; } li, dd, blockquote { margin-left: 40px; } table { border-collapse: collapse; border-spacing: 0; } |
Eric Meyer Reset CSS
| html, body, div, span, applet, object, iframe, table, caption, tbody, tfoot, thead, tr, th, td, del, dfn, em, font, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, dl, dt, dd, ol, ul, li, fieldset, form, label, legend { vertical-align: baseline; font-family: inherit; font-weight: inherit; font-style: inherit; font-size: 100%; outline: 0; padding: 0; margin: 0; border: 0; } :focus { outline: 0; } body { background: white; line-height: 1; color: black; } ol, ul { list-style: none; } table { border-collapse: separate; border-spacing: 0; } caption, th, td { font-weight: normal; text-align: left; } blockquote:before, blockquote:after, q:before, q:after { content: ""; } blockquote, q { quotes: "" ""; } |