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HTML

              
                //- 
  3D Bee using HTML/CSS
  By Grant Jenkins, June 2022
  Submitted for the positive and negative numbers codepen challenge
  #codepenchallenge,  #cpc-positive-negative, #cpc-cubes

mixin cube(id)
  div(id=id,class='cube')
    .container
      .left
      .right
      .top
      .bottom
      .front
      .back

mixin pyramid(id, sides)
  div(id=id,class='pyramid')
    .container
      - for (s = 0; s < sides; s++)
        span
        
mixin flower(id)
  div(id=id,class='flower')
    +cube(id+'-pot')
    +cube(id+'-trunk')
    +cube(id+'-top')
    +cube(id+'-horizontal')
    +cube(id+'-vertical')
    +cube(id+'-center')

doctype html
html(lang='en')

.scene
  +cube('ground')
  .flowers
    +flower('flower-1')
    +flower('flower-2')
    +flower('flower-3')
    +flower('flower-4')
  .bee
    .body
      - for (i = 1; i <= 5; i++)
          +cube('body-'+i)
      +pyramid('stinger', 4)
    .eyes
      +cube('eye-left')
      +cube('eye-right')
    .antennas
      +cube('antenna-left')
      +cube('antenna-left-front')
      +cube('antenna-right')
      +cube('antenna-right-front')
    .feet
      - for (i = 1; i <= 6; i++)
          +cube('feet-'+i)
    .wings
      +cube('wing-left')
      +cube('wing-right')
    
              
            
!

CSS

              
                @use "sass:math";

$scene-width: 70vmin;
$scene-depth: 70vmin;
$scene-height: 20vmin;
$scale: 1.0;
$wing-speed: 0.075s;

$color-main: #244775;
$color-body: #D1A438;
$color-wing: #8DBCB8;

@mixin flower($color-flower, $color-center) {
  div:nth-child(1) { //pot
    $width: 8vmin;
    $height: 1vmin;
    $depth: 8vmin;
    $color: #BC7D3D;
    @include box($width, $height, $depth, $color);
    transform:
      translate3d(0, 0, 0);

    .container .bottom {
      box-shadow: 0 0 5vmin #000;
    }
  }
  div:nth-child(2) { //trunk
    $width: 2vmin;
    $height: 7vmin;
    $depth: 2vmin;
    $color: #4CB648;
    @include box($width, $height, $depth, $color);
    transform:
      translate3d(3vmin, -1vmin, 0);
  }
  div:nth-child(3) { //top
    $width: 8vmin;
    $height: 1.5vmin;
    $depth: 8vmin;
    $color: $color-flower;
    @include box($width, $height, $depth, $color);
    transform:
      translate3d(0vmin, -8vmin, 0);
  }
  div:nth-child(4) { //horizontal
    $width: 10vmin;
    $height: 1.5vmin;
    $depth: 3vmin;
    $color: $color-flower;
    @include box($width, $height, $depth, $color);
    transform:
      translate3d(-1vmin, -8vmin, 0);
  }
  div:nth-child(5) { //vertical
    $width: 3vmin;
    $height: 1.5vmin;
    $depth: 10vmin;
    $color: $color-flower;
    @include box($width, $height, $depth, $color);
    transform:
      translate3d(2.5vmin, -8vmin, 0);
  }
  div:nth-child(6) { //center
    $width: 3vmin;
    $height: 1vmin;
    $depth: 3vmin;
    $color: $color-center;
    @include box($width, $height, $depth, $color);
    transform:
      translate3d(2.5vmin, -9vmin, 0);
  }
}
@mixin pyramid($width, $height, $sides, $color) {
	width: $width;
	height: $height;
	
	.container {
    position: relative;
    width: 100%;
    height: 100%;
    
    &::after {
      content: '';
      position: absolute;
      width: 100%;
      height: 100%;
      background-color: $color;
      transform:
        rotateX(90deg)
        translateZ($height / -2);
    }
		
		* {
			position: absolute;
			bottom: 0;
		}
    $_angle: 360deg / $sides;
    $_len: math.sin($_angle) * $height;

    @for $i from 1 through $sides {
      span:nth-child(#{$i}) {
        width: $width;
        height: $height;
        clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
        background-color: darken($color, min(($i * 5%), 100%));
        background-image: linear-gradient(90deg, $color, darken($color, 10%));
        transform-origin: bottom;
        transform:
          rotateX(90deg)
          rotateZ(360deg / $sides * $i)
          translateY($height * -1.5)
          translateY($width)
          rotateX(-119.5deg)
          ;        
      }
    }
	}
}
@mixin box($width, $height, $depth, $color) {
	width: $width;
  height: $height;
	
	.container {
    position: relative;
    width: 100%;
    height: 100%;
		
		* {
			position: absolute;
			bottom: 0;
			display: flex;
			justify-content: center;
			align-items: center; 
		}
		
		.left {
			width: $depth;
			height: $height;
			background-color: $color;
			transform-origin: left top;
			transform:
				rotateY(-90deg)
				translateX($depth / -2);
		}
		.right {
			width: $depth;
			height: $height;
			background-color: $color;
			transform-origin: left top;
			transform:
				rotateY(90deg)
				translateX($depth / -2)
				translateZ($width);
		}
		.top {
			background-color: lighten($color, 5%);
			width: $width;
			height: $depth;
			transform-origin: bottom left;
			transform:
				rotateX(90deg)
				translateY($depth / 2)
				translateZ($height);
		}
		.bottom {
			background-color: lighten($color, 5%);
			width: $width;
			height: $depth;
			transform-origin: bottom left;
			transform:
				rotateX(-90deg)
				translateY($depth / 2);
		}
		.front {
			background-color: darken($color, 8%);
			width: $width;
			height: $height;
			transform-origin: bottom left;
			transform:
				translateZ($depth / 2);
		}
		.back {
			background-color: darken($color, 8%);
			width: $width;
			height: $height;
			transform-origin: center;
			transform:
				rotateY(180deg)
				translateZ($depth / 2);
		}
	}
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  background-image: radial-gradient(lighten($color-main, 10%), darken($color-main, 15%));
  overflow: hidden;
  perspective: 1000px;
  
  .scene, .scene * {
    transform-style: preserve-3d;
  }
  
  .scene {
    position: relative;
    width: $scene-width;
    height: $scene-height;
    transform:
      rotateX(-30deg)
      rotateY(-10deg)
      scale3d($scale, $scale, $scale);
    animation: rot 20s ease-in-out 0s infinite alternate;
	
		@keyframes rot {
      to {
        transform: 
          rotateX(0deg)
          rotateY(440deg)
          scale3d($scale, $scale, $scale);
      }
    }

    // base
    &::after {
      content: '';
      position: absolute;
      width: 100%;
      height: 100%;
      left: 0;
      top: 0;
      z-index: -100;
      // background-color: darken(brown, 10%);
      transform:
        rotateX(90deg)
        translateZ(calc(#{$scene-depth} / -2))
        scale(1.0);
    }
    
    .cube, .cube * {
			position: absolute;
			bottom: 0;
    }
    
    #ground {
      z-index: -50;
      $width: $scene-width;
      $height: 3vmin;
      $depth: $scene-depth;
      $color: #92C54E;
      @include box($width, $height, $depth, $color);

      .container {
        .left, .right, .front, .back {
          background-image: 
            linear-gradient(180deg, #0000 0% 20%, #6C883E 20% 45%, #BC7D3D 45% 100%);
        }
        .bottom {
          background-color: #E1B366;
          filter: drop-shadow(0 0 3.75rem black);
        }
        .top {
          box-shadow: inset 0 0 15vmin #000a;
          background-image:
            radial-gradient(#0008, #0000 10em),
            repeating-linear-gradient(90deg, #0000 0% 50%, #0001 50% 100%);
          background-size: 100%, 4em 4em, 4em 4em;
          // animation: moveGround 0.5s infinite linear;

          @keyframes moveGround {
            to { 
              background-position-x: center, 4em, 4em; 
            }
          }
        }
      }
    }
    
    .flowers {
      position: absolute;
      width: 100%;
      height: 100%;
      bottom: 0;
      transform: translate3d(0, -3.02vmin, 0);
      
      div {
        position: absolute;
        width: 100%;
        height: 100%;
        bottom: 0;
      }

      #flower-1 {  
        @include flower(#F15D5C, #ECD015);
        transform: translate3d(14vmin, -0vmin, -25vmin);
      }
      
      #flower-2 {
        @include flower(#F47A2D, #0D6B37);
        transform: translate3d(7vmin, -0vmin, 20vmin);
      }
      
      #flower-3 {
        @include flower(#81ACD8, #EC3536);
        transform: translate3d(53vmin, -0vmin, -20vmin);
      }
      
      #flower-4 {
        @include flower(#AE7CB7, #ECD016);
        transform: translate3d(45vmin, -0vmin, 25vmin);
      }
    }
		
		.bee {
			position: absolute;
			width: 100%;
			height: 100%;
			bottom: 0;
      transform-origin: center left;
      transform:
        translate3d(25vmin, -10vmin, 0);
      animation: fly 10s ease-in-out infinite alternate;
      
      @keyframes fly {
        33% {
          transform:
            translate3d(25vmin, -20vmin, 0vmin)
            rotate3d(0.0, 0.2, 0.05, 20deg);
        }
        66% {
          transform:
            translate3d(25vmin, -20vmin, 0vmin)
            rotate3d(0.0, 0.2, 0.05, -20deg);
        }
        100% {
          transform:
            translate3d(25vmin, -20vmin, 0vmin)
            rotate3d(0.0, 1, 0.0, 360deg);
        }
      }

      .body, .feet, .eyes, .antennas, .wings, .pyramid {
        position: absolute;
        width: 100%;
        height: 100%;
        bottom: 0;
      }
      
      .body {
        @for $i from 1 through 5 {
          #{'#body-' + $i} {
            $width: 4vmin;
            $height: 12vmin;
            $depth: 15vmin;
            $color: $color-body;            
            @if $i % 2 == 0 { $color: black; }           
            @include box($width, $height, $depth, $color);
            transform:
              translate3d(($i - 1) * 4.05vmin, -2vmin, 0);
          }
        }
        
        #stinger {
          transform: 
            translate3d(20.2vmin, -6vmin, 0vmin)
            rotateZ(90deg);
          @include pyramid(5vmin, 5vmin, 4, #111);
        }
      }
      
      .eyes {
        #eye-left {
          $width: 1vmin;
          $height: 5.5vmin;
          $depth: 6vmin;
          $color: white;
          @include box($width, $height, $depth, $color);
          transform:
            translate3d(-0.2vmin, -6.5vmin, 4.6vmin);
          .container {
            .left {
              background-image: 
                linear-gradient(180deg, white 0% 50%, #0000 50% 100%),
                linear-gradient(90deg, #0000 0% 25%, black 20% 75%, #0000 75% 100%);
            }
          }
        }

        #eye-right {
          $width: 1vmin;
          $height: 5.5vmin;
          $depth: 6vmin;
          $color: white;
          @include box($width, $height, $depth, $color);
          transform:
            translate3d(-0.2vmin, -6.5vmin, -4.6vmin);
          .container {
            .left {
              background-image: 
                linear-gradient(180deg, white 0% 50%, #0000 50% 100%),
                linear-gradient(90deg, #0000 0% 25%, black 20% 75%, #0000 75% 100%);
            }
          }
        }
      }
      
      .wings {
        #wing-left {
          $width: 10vmin;
          $height: 1vmin;
          $depth: 20vmin;
          $color: $color-wing;
          @include box($width, $height, $depth, $color);   
          // transform-origin: bottom right;
          transform:
            translate3d(4.5vmin, -9vmin, 7.5vmin)
            rotateX(-20deg);
          animation: flap-left $wing-speed linear infinite alternate;
          @keyframes flap-left {
            to {
              transform:
                translate3d(4.5vmin, -9vmin, 7.5vmin)
                rotateX(20deg);
            }
          }
        }
        #wing-right {
          $width: 10vmin;
          $height: 1vmin;
          $depth: 20vmin;
          $color: $color-wing;
          @include box($width, $height, $depth, $color);
          // transform-origin: bottom right;
          transform:
            translate3d(4.5vmin, -9vmin, -7.5vmin)
            rotateX(-20deg);
          animation: flap-right $wing-speed linear infinite alternate-reverse;
          @keyframes flap-right {
            to {
              transform:
                translate3d(4.5vmin, -9vmin, -7.5vmin)
                rotateX(20deg);
            }
          }
        }
      }
      
      .antennas {
        #antenna-left {
          $width: 1vmin;
          $height: 2vmin;
          $depth: 1vmin;
          $color: black;
          @include box($width, $height, $depth, $color);
          transform:
            translate3d(0, -14vmin, 4vmin);
        }
        #antenna-left-front {
          $width: 1vmin;
          $height: 1.5vmin;
          $depth: 1vmin;
          $color: $color-body;
          @include box($width, $height, $depth, $color);
          transform:
            translate3d(-1vmin, -14.5vmin, 4vmin);
        }
        #antenna-right {
          $width: 1vmin;
          $height: 2vmin;
          $depth: 1vmin;
          $color: black;
          @include box($width, $height, $depth, $color);
          transform:
            translate3d(0, -14vmin, -4vmin);
        }
        #antenna-right-front {
          $width: 1vmin;
          $height: 1.5vmin;
          $depth: 1vmin;
          $color: $color-body;
          @include box($width, $height, $depth, $color);
          transform:
            translate3d(-1vmin, -14.5vmin, -4vmin);
        }
      }

      .feet {  
        div {
          $width: 2vmin;
          $height: 4vmin;
          $depth: 2vmin;
          $color: black;
          @include box($width, $height, $depth, $color);
        }

        @for $i from 1 through 3 {
          #{'#feet-' + $i} {
            transform:
              translate3d($i * 4.5vmin, 0, 6vmin);
          }
        }

        @for $i from 4 through 6 {
          #{'#feet-' + $i} {
            transform:
              translate3d(($i - 3) * 4.5vmin, 0, -6vmin);
          }
        }
      }
		}
  }
}
              
            
!

JS

              
                
              
            
!
999px

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