It is the core of fundamental in the understanding the  Web layout and sizing of  Web document with learning. Width, Height, Padding and Border form  Box model of the web layout.

Yes, there is new ‘border-radius’ property from which we provide to the rounded corner to any element. All the sides can also be specifically directed to make them corners round.

Border-Radius property consists of four individual properties :

1. border-top-left-radius,
2. border-top-right-radius,
3. border-bottom-left-radius,
4. border-bottom-right-radius. Check out the corners of above-given example to get more info on Border radius

In CSS3 all colors pertaining to the RGBA system, HSL colors, HSLA Colors as well as opacity is also introduced.

In CSS3 there is provision to use fonts that are not installed on the user’s system. There is new @ font-face property which allows any fonts which their resources file on the server.

Yes, there is border-image property for applying images in the border. Using this property we can alter in the source, width, repeat, slice, and outset.

Now  with CSS3 it is possible of add more than one background to element with “background-image property”. They are separated by commas in assigning to the property to the given element. Their position,  repeat, size, origin, and clip.  the property of needs to be altered as per requirements.

Using  CSS3 resizing property user can deliberately change to the element size with respect to width and height.

Three main property are :

1. Text-overflow,
2. word-wrap,
3. word-break .which are used for checking the length of the text.

Yes, using CSS3 with the ul-li structure you can create the pagination directly and give a design as preferred.

CSS3 multiple Column in property is the easiest way of dividing a section of the particular element just like in newspaper and there are various rules applied to it regarding count, gap, rule, style, width, color and span.

Yes, there is provision for using gradients in CSS3 properties using linear and radial gradients which lets smooth display of the colors using two or more specified colors with respect to different sizes, radial agreement as well as shape.

CSS3 transitions are the properties. which let’s change effect to using the CSS smoothly over a specified duration.

Multiple changes to simultaneously are allowed within one section.

New CSS3 properties allow easy multiple changes using the border-radius, filter and display in a modal using JavaScript.

Media queries are the latest web standard for the crafting adaptable style sheets for tablets, Desktop, mobiles, and iOS-enabled devices. They are applied using to height, the width of the device, viewport, orientation, and resolution. So any structure design can be altered for making the design responsive.

Media queries are introduced in CSS3, which is directly used for making the website responsive i.e. RWD (Responsive Web Designing). They introduce different CSS values for the device-specific width for appearing in the size of the device only.

Animations are fully supported in CSS3 only with properties and keyframes rules to be used for the controlling to the motion of the objects.

CSS Transitions allow CSS change in value over a specified time while CSS transforms can we change the whole dimension of the elements with respect to 2D or 3D.

In CSS3 Animation is defined by the values of their attributes at multiple keyframes. You can have as many keyframes as you want on which the CSS values will change making the whole animation possible.

With Display: none the whole element hides and space taken by the element is deleted too while

visibility: hidden although removes of the elements from users’ view but their space is occupied.

Both are CSS attributes for the formatting only the major difference is Cell Padding applies within cell content while Cell Spacing is applied outside and between the two cells.

Cell Padding is the space between content and edges of the cell while Cell Spacing is the given between two cells respectively.

They are standard CSS techniques to write clean code and make it more efficient, CSS groupings are used. To apply the same CSS attributes to more than an element of the CSS Groupings are done.

width auto: Element will take to horizontal space within the container it is with separate space for the margin and padding.

width 100%: Element will take full space to neglecting any margin or padding given to the element within the full container.

Width inherit: Element will take to the same width properties from its parent element

Class and Id both are used to link on html elements with their respective CSS. Where as same class can be applied to the multiple elements with same nature of CSS representation then there will be one value for being unique only.

No, currently there is no support for the selecting CSS parent selector.

To vertical-align a div center you need to combinations of property that matched your layout respectively. {Vertical align: middle} attribute was found to be quite is helpful but needs to compliment within fixed height and inline elements to be more effective.

They are many CSS attributes by which you can do this like

1. {text-align: center;},
2. {width: nPx(n=number) and margin:auto},
3. By position relative and absolute.

Yes, in software bundles frameworks or CMS where backend caches is maintained one needs to clear them to see the latest changes. Sometimes browsers cache also alters the presentation of the specifics of CSS elements.

Clearing floats or Clearfix is a generally recommended a way to clear the float property but Overflow: hidden attributes also clears the area of the around 99% cases.

For bottom positioning to position relative or absolute is the perfect way to align it on the bottom of another div element.

Yes,  they are solutions with which you can write dynamic CSS. With JavaScript is the most recommended to the solution, preprocessors also used this dynamic CSS based on the value of another element.

They are techniques that are used for efficient use of CSS in multiple re-usability and extensible coding like a programming language. SASS, SCSS, LESS, and Stylus is some of the most popular ways of CSS preprocessors.

Elements are either are inline or block elements based on their purpose of use. They are few properties with which you can change inline-elements to behave like block i.e. display: block;

Bootstrap, Foundation, material, etc are some of the most popular CSS3 responsive web design frameworks is used for building websites all around.

No, CSS is the client-side language you need to  the implement Server-side language for passing data in any form like PHP, ASP, etc

<style>
p.serif {
font-family: "Times New Roman", Times, serif;
}
p.sansserif {
font-family: Arial, Helvetica, sans-serif;
}
</style>
</head>
<body>
<h1>CSS font-family</h1>
<p class="serif">This is a paragraph, shown to the Times New Roman font.</p> <p class="sans-serif">This is a paragraph, shown in the Arial font.</p> </body> 

<style>
body {
background-color: lightblue;
}
</style>
</head>
<body>
<h1>Hello World!</h1>
<p>This page has a light blue background color!</p>
</body>

CSS means Cascading Style Sheet and is used for designing the browser after  completing it in HTML.

The element which has to be styled using css.it has three types

• tag à <p><img>
• class à  .name
• id à  #name

Alignment is used for styling the text in a proper way for viewing

Text-align:left/right/center;

Text-indent:100px;

Letter-spacing:2px;

Font-size:10px;

To create a space around the paragraph

Padding:2px;

Position:static/relative/sticky/fixed/absolute;