css3 multi-column display_html/css_WEB-ITnose

columen-width: Define the width of a single column display. The initial value is auto, which applies to irreplaceable block-level elements, inline block elements and cells, except table elements.

                      目前Webkit引擎支持-webkit-column-width，Mozilla Gecko引擎支持 -moz-column-width；

                     作用：如果页面内容能够在单列显示就在单列显示，如果页面If the width is wide enough, multiple columns will be displayed.

column-count:

                      Define the number of columns displayed in a single column. The initial value is auto, which applies to irreplaceable block-level elements, inline block elements and cells, except table elements.

At present, the webkit engine supports -webkit-colorn-count, the Mozilla Gecko engine supports -moz-colorn-count; number display.

column-gap:

                              Define the spacing between columns. The initial value is normal (1em), which applies to irreplaceable block-level elements, inline block elements and cells, except table elements.

At present, the webkit engine supports -webkit-colorn-gap, the Mozilla Gecko engine supports-Moz-Column-Gap;

Function: Define the distance between columns.

column-rule: & lt; specific & gt; | & lt; style & gt; | & lt; color & gt; | & lt; transparent & gt; Applies to irreplaceable block-level elements, inline block elements and cells, except table elements.

At present, the webkit engine supports -webkit-column-rule, the Mozilla Gecko engine supports-Moz-Column-Rule;

For example: dashed gray border

-webkit-column-rule:dashed 1px gray;

-moz-column-rule:dashed 1px gray;

column-rule:dashed 1px gray;

column-span: Define cross-column display. Initial value 1 is suitable for static and floating elements. all values ​​span all columns and are positioned on the column Z axis.

Currently Webkit engine supports -webkit-column-span, and Mozilla Gecko engine supports -moz-column-span;

column-fill: Define the initial value of column height balance: suitable for multi-column layout Element, the height of each column will be unified according to the height of the row with the most content.

auto: The height of each column changes automatically as its content changes.

Currently Webkit engine supports -webkit-column-fill, and Mozilla Gecko engine supports -moz-column-fill;

< ;html lang="en">

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!
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A hundred years ago, it was almost impossible for ordinary people to become millionaires. Let’s take a look at this survey on living standards in the 20th century
Statistics: In 1900, the average salary in the United States was 0.22 US dollars per hour, and the average worker’s annual income was between 200 US dollars and up to 400 US dollars
between, below the poverty line at the time. At that time, only 6% of Americans had graduated from high school, and the average life expectancy was 47 years. Only 14% of households
have bathtubs. There are only 8,000 cars in the United States and only 144 miles of paved roads. Until World War I, the average American family spent 80% of their income on basic needs such as food, housing, and clothing.
In general, 100 years ago there were basically only two economic classes: the wealthy class and the other classes. Only one
out of 10 families is wealthy. He means that in 1900, 90% of the people in the United States were classified as poor.
The middle class still depends on wages to live.
Now turn the lens from a hundred years ago to 2001.
Right now, the average household income is $47,000. The number of cars exceeds the number of people. Most families have at least
two TVs. Life span is as long as 75 years. Now, the average person has more disposable income, more free time, and
more career choices than before.
However, most of the approximately 72 million households in the United States still rely on wages to survive.
Excluding the home, car and furniture, the average household asset is zero. zero! When income increases, household debt increases and work
hours also increase.
What went wrong?
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