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Relative length units in CSS are used to specify a length relative to another length property. Let use see some key units in CSS with the description − Sr.No Unit & Description 1 emRelative to the font-size of the element i.e 4em means 4 times the size of the current font. 2 exRelative to the x-height of the current font 3 chRelative to width of the 0 4 remRelative to font-size of the root element 5 vwRelative to 1% of the width of the viewport* 6 ... Read More
CSS Pseudo-elements can be applied on elements but also on CSS classes as well. First, let us see the pseudo-elements. The pseudo-elements allow styling specific parts of any elements, for example, insert content after an element, set CSS styles for the first line, etc. The following is the syntax − Syntax selector::pseudo-element { } The following are the pseudo elements − ::after − Insert something after the content of specific element ::before − Insert something before the content of a specific element ::first-letter − Selects the first letter of a specific element ::first-line − Selects the first ... Read More
The CSS background-image property is used to set an image as a background for the selected element. The url() is used in the background-image to set the image source. Syntax The syntax of CSS background-image property is as follows − Selector { background-image: /*value*/ } The following can be the values − url('URL') − The image url i.e., the source conic-gradient() − Place a conic gradient as the background image. linear-gradient() − Place a linear gradient as the background image. radial-gradient() − Place a radial gradient as the background image. repeating-conic-gradient() − Repeat a ... Read More
The pseudo-class keywords are used to specify a special state of the selector to which it is added. This gives us more control and now we can target a selector when it is in specific state for e.g.: hover, checked, visited etc. Pseudo-classes The following are some key Pseudo-classes − :active = To select the active link :checked = To select every checked element :first-child = To select the first child of an element’s parent :first-of-type = To select the first element of its parent :focus = To select the element that has focus :hover = To select ... Read More
For multiple transitions, use the CSS3 transition property, which is a shorthand property. It sets the property, duration, timing, and delay of the transition in a single line. Let’s say we changed the width and border-radius for the transition. transition: width 2s, border-radius 2s; Set the container div To begin with, set a parent div − Set the transition The transition is set using the transition property for the width and border-radius properties. The duration set is 2 seconds − .container div { width: 300px; ... Read More
Using CSS Z-Index property, a user can stack elements onto one another. Z-Index can have a positive or a negative value. The stack order of an element is set using the z-index property. NOTE − If elements that overlap do not have z-index specified then that element will show up that is mentioned last in document. Syntax The following is the syntax of the z-index property − Selector { z-index: /*value*/ } The value can be the following − auto − The stack order is et equal to the parents number − Set the ... Read More
Outline doesn’t take up space and is displayed around the border if set. It is used for highlighting elements and we can’t specify whether individual sides should have an outline or not. Like borders, outline is not displayed by default. In some browsers, say Firefox, focused elements are displayed with a thin outline. Borders can be customized to a greater extent. We style individual sides of a border and round their edges. Borders take up space and affect the box-sizing. Outlines The outline is drawn outside the borders. It is a line drawn around elements. The following are the properties. ... Read More
The object-position property is used to specify whether how we should position image or video inside its own box. It is always used with the object-fit property. Let us how to implement the object-position property. Syntax The following is the syntax of the object-position property − object-position: value; The value above can be the position of the image or video inside its own content box. Representation The 1st value of the object-position property controls the x-axis position and the second controls the y-axis. The position values can be − Left Right Center px % Object position ... Read More
By defining the CSS word-spacing property, we can set the amount of white space between the words. The whitespace between the words can be increased or decreased. It can be set in the following CSS units: px, pt, em, cm, etc. Let us see the syntax. Syntax The following is the syntax of the word-spacing property − word-spacing: value; The value can be − normal − Normal spacing between words length − Space between words set in pt, px, cm, etc. The following examples illustrate CSS word-spacing property. Word Spacing in cm The word spacing ... Read More
By specifying padding of an element in percentage, we can maintain its Aspect Ratio. The aspect ratio is the ratio of image’s width to its height. The aspect ratio can also be maintained using the aspect-ratio property. Aspect ratio for videos with the padding-top property Use the padding-top property to set the aspect ratio of an element on a web page. Here is the CSS padding property − The padding-bottom specifies the bottom padding of an element. The padding-top specifies the top padding of an element. The padding-left specifies the left padding of an element. The padding-right specifies the ... Read More