:only-of-type – pseudo-class | Selectors Level 3 The :only-of-type matches element that is only child of its parent element of given type.
:only-child – pseudo-class | Selectors Level 3 The :only-child selects element that is the only child of its parent.
The CSS background-size property specifies the size of background image. The image can be stretched in order to fill the whole element or it can has particular size. The background-size is used in conjunction with the background-image property.
The background-position CSS property specifies the initial position of the background image for an element, including ::first-letter and :first-line. The background-position is used in conjunction with the background-image property and position is relative to the position specifies by background-origin.
The background property specifies a color or an image of an element’s content, padding and border. This property can be used on inline, block, inline-block, table elements and ::first-letter and ::first-line.
The CSS gradients are types of background images and represents smooth transitions between colors.
The CSS property font is a shorthand for font-style, font-variant, font-weight, font-strech,font-size, line-height, fant-family Syntax font: font-style font-variant font-weight font-size/line-height font-family See the Pen font-shorthand by majadc (@majadc) on CodePen. Mandatory values: Without these values entire line of code will be null. font-size font-family font-size: medium| xx-small|x-small|small|smaller| large|x-large|xx-large|larger| length|initial|inherit; font-family: font family name | initial […]
The tab-size property sets the width of the tab character (unicode U+0009). Default tab size value is 8;
Box-shadow is a CSS3 property witch attaches one or more drop-shadows to the box. This property applies to all elements, including ::first-letter selector. Multiple box-shadows are possible, separated by comas. Z-ordering of multiple box-shadows – the first specified shadow is on top.