How to use pure CSS to implement a red angry bird (with code)-CSS Tutorial-php.cn

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How to use pure CSS to implement a red angry bird (with code)

Source code download

https://github.com/comehope/front- end-daily-challenges

Code Interpretation

Define dom, the container contains 6 elements, representing the head, eyes, eyebrows, mouth, crown feathers, and tail:

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Centered display:

body { margin: 0; height: 100vh; display: flex; align-items: center; justify-content: center; background-color: antiquewhite; }

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Set the common attributes of child elements:

.red * { position: absolute; } .red *::before, .red *::after { content: ''; position: absolute; }

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Define the container size:

.red { width: 12em; height: 11em; font-size: 16px; position: relative; }

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Draw the outline of the head and define the stroke parameters as variables. Because it will be used later:

.red { --border: 0.2em solid #6a0306; } .head { width: inherit; height: inherit; background-color: #dc002d; border-radius: 45% 55% 45% 45% / 55% 60% 40% 45%; border: var(--border); }

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Use pseudo elements to draw the outline of the eyes:

.eyes::before, .eyes::after { width: 2.4em; height: 2.6em; background: white; border-radius: 50%; border: var(--border); } .eyes::before { top: 3.7em; left: 5.5em; z-index: 1; } .eyes::after { top: 3.8em; left: 7.8em; }

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Use radial gradient to draw the eyeballs and pupils:

.eyes::before, .eyes::after { background: radial-gradient( circle at calc(var(--eyeball-left) + 6%) 48%, white 0.1em, transparent 0.1em ), radial-gradient( circle at var(--eyeball-left) 48%, black 0.5em, transparent 0.5em ), white; } .eyes::before { --eyeball-left: 65%; } .eyes::after { --eyeball-left: 41%; }

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Use pseudo elements Use elements to draw the eyebrows:

.eyebrows::before, .eyebrows::after { height: 1.1em; background-color: black; top: 3.6em; z-index: 2; } .eyebrows::before { left: 5em; transform: skewY(12deg); width: 3.4em; } .eyebrows::after { left: 8.2em; transform: skewY(-15deg); width: 3.1em; }

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Draw the outline of the mouth:

.mouth { width: 2.8em; height: 2.8em; background-color: #fca90d; top: 6em; left: 7em; z-index: 3; border-radius: 20% 0 20% 10%; transform: rotate(34deg) skewX(-15deg); border: 0.1em solid black; }

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Use pseudo elements to draw the dividing line between the upper and lower jaw:

.mouth::before { width: 3.4em; height: 4em; border: 0.2em solid; top: -1.6em; left: -1.8em; border-radius: 0 0 40% 0; transform: rotate(42deg); border-color: transparent black transparent transparent; }

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Draw the left side of the crown feathers :

.hair { width: 1.2em; height: 3em; background-color: #dc002d; border-radius: 50%; border: var(--border); top: -1.8em; left: 2.8em; transform: rotate(-70deg); border-bottom-color: transparent; }

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Use pseudo elements to draw the right side of the crest feathers:

.hair::before { width: inherit; height: inherit; background-color: inherit; border-radius: inherit; border: inherit; top: 1em; left: 0.8em; transform: rotate(20deg); }

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Use pseudo elements to cover the excess edges of the crest feathers:

.hair::after { width: 3em; height: 2em; background-color: #dc002d; border-radius: 50%; top: 2.3em; left: -1.5em; transform: rotate(70deg); }

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Draw the center of the tail The longest feather:

.tail { width: 3em; height: 1em; background-color: black; top: 40%; left: -1.8em; z-index: -1; transform: rotate(15deg); }

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Use pseudo elements to draw the two shorter feathers in the tail:

.tail::before, .tail::after { width: inherit; height: 70%; background-color: black; left: 0.6em; } .tail::before { transform: rotate(25deg); top: -0.4em; } .tail::after { transform: rotate(-20deg); top: 0.8em; }

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Use pseudo elements to draw the feathers on the chest:

.head { overflow: hidden; } .head::before { width: inherit; height: inherit; background-color: #e3c4ab; border-radius: inherit; top: 65%; left: 25%; }

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Next draw shadows to enhance the three-dimensional effect.

Add shadows to the head:

.head { box-shadow: inset 0.5em -0.5em 0.3em 0.2em rgba(0, 0, 0, 0.2), inset -1em 0.8em 1.5em -0.5em rgba(237, 178, 144, 0.7); }

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Add shadows to the eyes:

.eyes::before { box-shadow: -0.2em 0.2em 0.2em 0.3em rgba(0, 0, 0, 0.2); } .eyes::after { box-shadow: 0.2em 0.2em 0.4em 0.3em rgba(0, 0, 0, 0.1); }

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Add shadows to the mouth:

.mouth { box-shadow: inset 0.2em -0.4em 1em rgba(0, 0, 0, 0.4), inset 0 0.5em 0.5em rgba(255, 255, 255, 0.3); }

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Done!

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