![]() ![]() You can create a box shadow by selecting the element using a valid CSS selector and using the box-shadow property to apply the box shadow effect, as in the example below. With an inner box shadow, the shadow is enclosed within the element's border. You can use the optional inset keyword to change the shadow from an outer box shadow to an inner box shadow. If you omit it, the shadow color defaults to currentColor. Box shadow color Īs its name suggests, the box shadow color specifies the color of the shadow. It defaults to zero if you omit the spread radius. Similar to the blur radius, the spread radius is optional. If you set its value to zero, the box shadow will have the same size as the element. On the other hand, a negative value will cause it to contract. It takes both positive and negative values.Ī positive blur radius will cause the shadow effect to expand in all directions by the specified radius. The fourth length value in a box shadow is the spread radius. You can omit it if you don't need a blur effect on the box shadow. The edges become more blurred as you increase the blur radius. The box shadow will have sharp edges if the blur radius is zero. The blur radius should either be zero or a positive CSS length value. The third length value in a box shadow is the blur radius. On the other hand, a positive vertical offset will offset the shadow down, and a negative one will offset it up. A negative horizontal offset will draw it to the left. ![]() A positive horizontal offset will draw a shadow effect that is offset to the right of the element. You can also refer to the horizontal and vertical offsets as the X and Y offsets, respectively.īoth horizontal and vertical offsets can take positive or negative values. The first length value is the horizontal offset, and the second is the vertical offset. Box shadow horizontal and vertical offsets Īs explained above, you can specify a box shadow using 2-4 CSS length values. We'll explore each of them in the sub-sections below. Though we have set four length values, only two are required. The example above has four CSS length values, CSS color, and the inset keyword. You can use the box-shadow property to apply one or more CSS box shadows to an element like so: You can use CSS box shadow to flexibly enhance the visual design of your application and provide an enriching user experience.Ī typical CSS box shadow usually consists of 2-4 CSS lengths, an optional CSS color, and an optional inset keyword. Box shadow horizontal and vertical offsetsĪs its name suggests, the CSS box-shadow property adds one or more shadow effects to an HTML element.Hopefully, the examples will inspire you in your next project. We'll also go above and beyond to highlight the commonest box shadow examples. In this article, we will explore the CSS box-shadow property. Similarly, it's not uncommon to use box shadows to indicate an element's interactivity by raising them during the hover state. Therefore, emphasizing the importance of an element in the UI. You can use them to create contrast between an element and its immediate surroundings. Box shadows come in handy when you're looking to create aesthetically pleasing and enriching UI. Hence, the actual size of the element is calculated by adding the padding and border along with the specified width and height of the element.You can use the CSS box-shadow property to add one or more box shadow effects to an element. ![]() The width and height of the element are applied only to the content of the element by default. The box model is important for understanding how the width and height of an element are calculated. Width and Height of an Element with Box Model The primary purpose of the box model is to explain how the dimensions and spacing of elements are calculated and how they relate to each other.
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