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Рождественская елка на CSS для сайта

Танцуй так, как будто на тебя никто не смотрит. Пой, как будто тебя никто не слышит. Люби так, как будто тебя никогда не предавали, и живи так, как будто земля — это рай.

24-ноября-2023, 21:53   1   0

Рождественская елка на CSS для сайта

От классики до абстракционизма, Рождественская елка Эндрю Хоукса состоит из множества разноцветных треугольников, каждый из которых снабжен эффектом переворота, вызываемым курсором. Ключевой особенностью решения является то, что при каждой перекомпиляции SCSS дерево выглядит по-разному. Этот блок также украшен падающим снегом, который создает прекрасное зимнее настроение.

HTML

<div class="container">
  <div class="tree">
    <div class="tree__row">
      <div class="tree__node"></div>
    </div>
    <div class="tree__row">
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
    </div>
    <div class="tree__row">
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
    </div>
    <div class="tree__row">
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
    </div>
    <div class="tree__row">
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
    </div>
    <div class="tree__row">
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
    </div>
    <div class="tree__row">
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
    </div>
    <div class="tree__row">
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
    </div>
    <div class="tree__row">
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
    </div>
    <div class="tree__row">
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
    </div>
    <div class="tree__row">
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
    </div>
    <div class="tree__row">
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
      <div class="tree__node"></div>
    </div>
  </div>
</div>
<div class="snow">
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
  <div class="snow__flake"></div>
</div>


SCSS

// Quick N Dirty
// Works in latest Chrome & FF

@import "bourbon";

// Basic Reset

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

html {
  font-size: 16px;
}

body {
  font-family: 'Roboto', sans-serif;
  background: #222;
}

// Colour Vars

$c_0: #f79fc5;
$c_1: #ff6d51;
$c_2: #f3b140;
$c_3: #f9d53a;
$c_4: #87b1d3;
$c_5: #5bd9c3;
$c_6: #7861be;
$c_7: #a9c688;

$color-list: $c_0, $c_1, $c_2, $c_3, $c_4, $c_5, $c_6, $c_7;

// Container

.container {
  @include display(flex);
  position: relative;
  z-index: 100;
  @include justify-content(center);
  @include align-items(center);
  height: 100%;
  height: 100vh;
}

// Tree

.tree {
  
  &__row {
    @include display(flex);
    @include justify-content(center);
    @include align-items(center);
  }
  
  &__node {
    z-index: 100;
    width: 0;
    height: 0;
    margin: 0 -10px;
    border-style: solid;
    @include transition(transform 0.8s ease);
    @include transform(rotateY(0deg) scale(1.01));
    will-change: transform;
    @include animation-name(sparkle);
    @include animation-timing-function(ease);
    @include animation-duration(1s);
    @include animation-iteration-count(infinite);
    
    &:hover {
      @include transform(rotateY(180deg) scale(0.99));
    }
    
    &:nth-of-type(odd) {
      border-width: 0 20px 34.6px 20px;
      border-top-color: transparent !important;
      border-right-color: transparent !important;
      border-bottom-color: $c_1;
      border-left-color: transparent !important;
    }
    
    &:nth-of-type(even) {
      border-width: 34.6px 20px 0 20px;
      border-top-color: $c_3;
      border-right-color: transparent !important;
      border-bottom-color: transparent !important;
      border-left-color: transparent !important;
    }
    
    // Colour shift

    @each $colour in $color-list {

      $i: index($color-list, $colour);
      $n: random(7);
      
      &:nth-of-type(#{$i}n+#{$n}) {
        border-color: $colour;
      }
      
    }
    
    // Load random animation
    
    @each $colour in $color-list {
      $i: index($color-list, $colour);
      $n: random(9);
      $a: random(1500) + 1000;
      
      &:nth-of-type(#{$i}n+#{$n}) {
        @include animation-duration(#{$a}ms);
      }
      
    }

  }
 
}

// Snow

.snow {
  position: absolute;
  z-index: 1;
  top: 0;
  width: 100%;
  height: 100%;
  opacity: 0.3;
  overflow: hidden;
  
  &__flake {
    position: absolute;
    top: -300px;
    left: 0;
    width: 300px;
    height: 100%;
    background-repeat: no-repeat;
    background-size: 300px 1200px;
    background-position: top left;
    background-image: url(https://andrew-hawkes-media.s3.amazonaws.com/codepen/snow/snow-flake-1.png);
    @include animation-name(snowflake);
    @include animation-timing-function(linear);
    @include animation-duration(10s);
    @include animation-iteration-count(infinite);
    
    // Flake random

    @for $i from 1 through 40 {
      $left: (2.5% * $i);
      $a: random(3000) + 1000;

      &:nth-of-type(#{$i}n) {
        left: $left;
        @include animation-duration(#{$a}ms);
      }

    }
    
    &:nth-of-type(2n) {
      background-image: url(https://andrew-hawkes-media.s3.amazonaws.com/codepen/snow/snow-flake-2.png);
    }

    &:nth-of-type(3n) {
      background-image: url(https://andrew-hawkes-media.s3.amazonaws.com/codepen/snow/snow-flake-3.png);
    }

    &:nth-of-type(4n) {
      background-image: url(https://andrew-hawkes-media.s3.amazonaws.com/codepen/snow/snow-flake-4.png);
    }
    
  }
  
}


// Message

.message {
  display: block;
  position: fixed;
  z-index: 500;
  right: 20px;
  bottom: 20px;
  width: 280px;
  padding: 20px;
  background: rgba(255,255,255,0.4);
  
  &__text {
    margin: 0 0 14px 0;
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.25;
    color: #fff;

    &:last-of-type {
      margin: 0;
    }
    
    a {
      color: $c_2;
      text-decoration: none;
      @include transition(color 0.25s ease-in-out);
      
      &:hover,
      &:focus {
        color: lighten($c_2, 20%); 
      }
      
    }
  }
  
}


// Animations

@include keyframes(sparkle) {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}

@include keyframes(snowflake) {
  0% {
    opacity: 0;
    @include transform(translate3d(0,0,0));
  }
  40% {
    opacity: 1;
  }
  
  80% {
    opacity: 1;
  }
  
  100% {
    opacity: 0;
    @include transform(translate3d(60%,120%,0));
  }

}

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