how to make box centered in css

css bubble text prompt box implementation of the Isosceles-right-angled dialog box The effect is as follows: The code is as follows: CSS: . Arrow span{border-color: #0FF #000 #f00 #ff0; top:0px;} HTML: Modify the code as: . Arrow Span{border-color: #FFF Transparent transparent; Add code . Arrow Em{border-color:

Make use of css+ original JS to produce simple clocks. The effect looks like this Achieve this effect, divided into three chunks: HTML, JavaScript, CSS HTML sectionthe HTML part is simpler, defines a clock div, the interior has the origin, the time second hand, the date as well as times, as to the clock on the scale, the number and so on the element, because

Do Web site development We certainly do not have a basic function, is the search box, then the search box style can make a website look more beautiful on the grade. Now we're going to teach you a way to make the search box look beautiful. ： There are two ways to do this: on

First, let's talk about the box mode. The so-called box mode isCSSView elements,CSSThink of each single element as a box, as shown in: It is called the box mode because it is very similar to the box in our daily life. We will not talk about it here. Most of the attri

This time for everyone to bring CSS to make the mouse up icon rotation, to achieve the mouse move icon rotation of the note what, the following is the actual case, together to see. The mouse up icon rotation effect is often used in enterprise projects, especially the top navigation bar, such as: The next step is to use CSS to implement the mouse up icon rotatio

Css pseudo-class selector creates a login box form, Selector When a pseudo-class selector is used to make the mouse hover, the text box appears orange dotted line border. When the mouse is activated, the background color becomes pale orange. Use css to create a rectangle wi

/* CSS Document */div{Background:silver;width:100px;height:100px;visibility:visible; "element is visible by default"Visibility:hidden; "The elements in the div are hidden, but occupy space"}Table tr:first-child{Visibility:hidden; "Make the first child element hidden, takes up space"Visibility:collapse; "Causes the first child element to disappear without taking up space"}1, block-level elements: the ability

Address: http://www.cssk8.com/html/css_Tutorial/200910/13-1598.html The core content of css: Standard stream, box model, floating, and positioning (you can say that you cannot understand these concepts to make a proper webpage)1. Block-level elements: for example, 2. In-row elements: for example, The differences between block-level elements and intra-row elements

This article brings you the content is about how to use pure CSS to implement the loader (with source code), there is a certain reference value, the need for friends can refer to, I hope you have some help. Effect Preview Source code Download Https://github.com/comehope/front-end-daily-challenges Code interpretation To define the DOM, there are only 1 elements: Center display: body { margin:0; HEIGHT:100VH; Display:flex; Align-items

Hello, I am float, welcome to visit the CSS family, in the CSS family, in today's CSS typesetting popular era, I can play an important role oh. Because my job is very useful to web designers, just as important as the previous align help you locate page elements, but I seem to be much more powerful than align. Next I will show you the scene of my skills, watch car

; } . Hexagonitem_left { transform:rotate ( -60deg); } . hexagonitem_right { transform:rotate (60deg); } This makes it easy to get a positive hexagon. So how can we make the blue background into a picture, in fact, it is very simple, the above three rectangles actually just play a role in shaping, in fact, should be set to Visibility:hidden, we need to give three rectangles to add a rectangular

", zindex2).attr("title", "");It's time to move, but there's one more question:What happens if you click a picture quickly:We found it messed up! The top code in 1000 is the millisecond, that is, 1 seconds, click on the picture in 1 seconds to complete the exchange, now we are 1 seconds may have clicked three times or more, the first picture has not been exchanged, there is a second, third exchange, a time response, there is a loophole.We can let the second time click to return to the position i

Today, is a cube + animation made with CSS3, the effect is as follows.The whole effect is only the HTML and CSS, not a sentence JS, in fact, the first is to use JS to give six of the small squares to assign value, and then forced to commit a crime, direct manual write it, such a sentence JS are not, more crisp point.The following is the body of the overall structure, a class called the big box, placed six U

Use Div and CSS to create triangle effects:This section describes how to use the div and CSS to achieve the triangle effect, although it looks like the table is magical, but the principle is very simple.The code is as follows:DOCTYPE HTML>HTML>Head>MetaCharSet= "Utf-8">Metaname= "Author"content= "http://www.softwhy.com/" />title>Ant Tribetitle>styletype= "Text/css