css vw units

1:px:This should be a domestic use of more units, meaning pixels. Therefore, the visual rendering effect is related to resolution. For example, in the 1024x768 resolution to see the 12px font than 960*640 see the "small", in fact, the font pixel has not changed, so feel at high resolution to small, in low resolution to large. the default browser uses 16px rendering. If you set the font unit to%, for example: font-size:120%, then 16px*120%=19px;2:em:Co

Original: https://www.cnblogs.com/wuguoyuan/p/rem.html px Features -1. IE cannot adjust the font size using PX as the unit; -2. Most of the foreign sites can be adjusted because of its use of EM or REM as a font unit; -3. Firefox can adjust PX and em,rem, but most of the native browsers use the IE 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 le

DOCTYPE HTML>HTMLLang= "en">Head> MetaCharSet= "UTF-8"> title>Documenttitle> styletype= "text/css">Div{Height:100px;width:1000px;Background-color:Red; } style>Head>Body> In-line Labels - span>Study hardspan> Strong>Every dayStrong> s>Hards> Block-level Labels - ul,ol,dl are all Block-level labels . - Div>studiousDiv>Body>HTML>DOCTYPE HTML>HTMLLang= "en">Head> MetaCharSet= "UTF-8"> title>Documenttitle> s

p{Background:grey;Color:white;font-size:0.5in;Height:2em;width:50%;}Height:2em means that the height shown on the screen is twice times the size of the fontfont-size:0.5in: The font size of HTML is set to 0.5 inches, which is the absolute valuewidth:50% width of the browser 0.5CSS relative lengths can also be used more flexibly, such as Width:calc (80%-20px);Use of CSS angles. image_test_1,. image_test_5 {-moz-transform:rotate ( -5DEG);-webkit-transfo

A unit of relative length:The relative length is measured by the relationship to other things. A total of 3 relative length units: em,ex,px.1 "em" is defined as the value of a font-size of a given font, for example, a font-size of one element is 14 pixels, and for that element, 1em is equal to 14 pixels.Ex refers to the height of the small write x in the font used. If two paragraph text sizes are 24 points, but different fonts are used, their ex value

first, about the unit in CSSWe all know that the units in the CSS, generally include px,%,em and other units, in addition CSS3 a new unit of REM.px,% and other units usually in the traditional layout of the use of more frequent, we are more familiar with, but PX units in the

css| Web page Because style sheet items are made up of attributes and their values, it is necessary to understand the various units of the property value. In CSS, the various units and in the HTML are different, please pay attention to distinguish between the reader. 1. Length Unit Abbreviation Unit type description CM

In CSS style sheets, we often see such units of length such as PT, Px,em,ex,in, and so on. What do they mean, what's the difference?In CSS style sheets, the length units are divided into two types: Relative length units, such as PX, EM, etc. Absolute length

Quoted here is Jorux's "95% Chinese web site needs to rewrite the CSS" article, the topic is a bit scary, but it is now a number of domestic web page production defects. I have not been clear about the relationship between PX and EM and the characteristics, after seeing the harvest is really great. Usually use PX to define fonts, so can not use browser font amplification function, and most foreign websites can be used under IE. Because: 1. IE cannot

-dimensional position of the Z-index Div tag. A greater value indicates a higher position of the div. Background-color Div background color. The DIV background color of layer-Background-color Netscape. The background image of the background-image Div. The background image of the DIV of layer-Background-image Netscape. 　● 2. absolute and relative positioning (position) Absolute positioning:The positioning attribute will be the key for the net worms to open the door to happiness:H4 {position:

One, length unitsIn CSS, there are two types of length units, the absolute length units and the relative length units, respectively.Absolute length UnitAbsolute length units are divided into in (inches), cm (cm), mm (mm), pt (LB), PC (PICA). Where in (inches), cm (cm), mm (m

When writing CSS, the most commonly used length units are px (pixels), often see EM,PT and so on, in fact, the length of the CSS in a total of 8, respectively, is px,em,pt,ex,pc,in,mm,cm. 1, px: pixels (Pixel), relative to the device's length unit, pixels are relative to the display screen resolution. For example, the resolution used by wondows users is typically

CSS presets 16 colors and 16 colors of the derivative color, these 16 colors are recommended by the CSS specification, and some mainstream browsers are able to identify, as shown in the following table:Hexadecimal colors are the most common way to define them. Its basic format is #rrggbb,r, G, and B represent red, green and blue respectively. You can also set the color with RGB (R,G,B), the parameter is rep

In CSS coding, it is necessary to estimate colors and units, however, there are many ways to write about color and unit values in CSS, so it is important to make it clear. Color When I was in front of the beginner, there was a question "How do I set the page color?" , commonly used English color names or hexadecimal color values to set the color, but there are

Summary: This is quoted as Jorux's "95% Chinese website needs to rewrite CSS" article, the topic is a bit scary, but it is the current domestic web page production of some shortcomings. I have always been confused about the relationship between PX and EM and the characteristics, and have seen a great harvest. Usually use PX to define the font, ...　　Quoted here is Jorux's "95% Chinese web site needs to rewrite CSS