css vw units

Color valuesThe color settings in a Web page are very important, with font color (color), background color (background-color), border color (border), and so on, there are many ways to set colors:1, English command colorThe Setup method is often used in the previous sections:p{color:red;}2. RGB ColorThis is consistent with the RGB colors in Photoshop and is color-matched by the proportions of R (red), G (green), and B (blue) Three colors.P{color:rgb (133,45,200);}The value of each item can be an

PX Features1. IE cannot adjust the font size using PX as the unit;2. Most of the foreign sites can be adjusted because they use EM or REM as font units;3. Firefox can adjust PX and em,rem, but more than 96% of Chinese netizens use IE browser (or kernel).px Pixels (Pixel). Relative length units. Pixel px is relative to the display screen resolution. (quoted from CSS2.0 manual)EM is the relative length unit.

0.01389 0.0352806 0.352806 1.0 0.83333 The use range of the absolute length value is limited. The absolute length value is used only when the external output device is fully known. That is to say, the absolute length value is best used for the printer output device. When it is only used for screen display, it is of little significance to use the absolute length value. We should try to use the relative length value. Knowsky.com 3. Relative Length Value Each browser has its own default general si

First, the color value The color settings in a Web page are very important, with font color (color), background color (background-color), border color (border), and so on, there are many ways to set colors: 1, English command color The Setup method is often used in the previous sections: p{color:red;} 2. RGB Color This is consistent with the RGB colors in Photoshop and is color-matched by the proportions of R (red), G (green), and B (blue) Three colors. P{color:rgb (133,45,200);} The value of e

css px,pt,em, REM, percent difference and usage px that is, the average domestic website uses more , The default size is 16px; PT Printing Industry common units em relative units, relative units of parent element properties rem The advantages of combining relative positioning and absolute

There are a lot of length units when writing CSS styles. Often not commonly used to understand the next.Divided into two categories: absolute units, relative units.Absolute units: Do not change depending on the size of other elements.PX: Pixel, a point on the computer screen.Pt:pointPc:picaIn: inch 1in = 96px = 72pt =

Css The value of a length consists of an optional plus "+" or minus sign "-", followed by a number, and two letters indicating the unit. There is no space in the value of a length, for example, "1.3 em" is not a valid length value, but "1.3em" is valid. A zero-length two-letter unit declaration is not required. Both the relative value and the absolute length are supported by CSS1. A relative value unit determines the length of a property relative to a

The font units in CSS are mainly px, EM, and Rem. where PX is a pixel, it is a font length that is relative to the display's heading resolution. In general, the default font size in the browser is 16px. Where EM is relative to the font. The value of EM is not fixed and its font size is relative to the size of the parent element's font. While REM is also a relative font, its size is not relative to the paren

I. First introduce the PXPX is the most basic length of the CSS, the unit with PX do not have any problems, you can make the page according to the precise presentation of the routine!But it is! But, but! If the entire use of PX layout will hide an egg pain problem, that is, when the user and Ctrl roll the page (white is ctrl+,ctrl-), you will find the page structure produced unpredictable confusion, so there are bricks advocate using em instead of px

a value is greater than 100% or less than 0%. will be adjusted back to 100% or 0% by default;P Spanone{color:rgb (%,1230%,%);} /* 100%,100%,100% */ P Spantwo{color:rgb (0%,-780%,-34535%);} /* 0%,0%,0% */ P Spanthree{color:rgb (,656);} /* 13,35,255 */ color--16 RGB colorHow it works: Connect three of the 16 binary numbers between 00~ff. You can set a color. The general syntax of notation is #aabbcc. And there are no spaces, commas, and other separators between three numbers.H1{color:rgb (255,255

1, px Pixels (Pixel). Relative length units. Pixel px is relative to the display screen resolution. The smallest point that a screen device can physically display is not a fixed width, and the aspect ratio of points on different devices may be different or not necessarily a square of 1:1. For example, a monitor on the 1px wide =1mm, but B monitor 1px wide =2mm, if the definition of a div width for the 100px,a monitor see on the div is 10cm,b on the mo

This chapter focuses on the values of some property declarations:The values in CSS are mainly numbers, percentages, colors,1. Color:RGB (100%,100%,100%) or RGB (255,255,255) or #FF0000Web security color: refers to a value that is a multiple of 20%,51,0x33.2. Length unit: unit with in cm mm PT pcWhere: 1in = 2.54cm 1cm = 0.394in 1in = 72pt 1pc = 12ptRelative length unit: em,ex,px3.URL4. Keyword: none inheritIn addition, there are some values that are u

corresponding elements. Letter-spacing adds white space between letters, and word-spacing adds white space between each word. Please note that word-spacing is not valid for Chinese.Letter-spacingGrammar:Letter-spacing:normal | LengthParameters:Normal: Default intervalLength: A value consisting of a floating-point number and a unit identifier that is allowed to be negative. See Length UnitsDescriptionRetrieves or sets the interval between the text in an object.This property adds the specified in