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| 1 | +<!DOCTYPE html> |
| 2 | +<html lang="en"> |
| 3 | + <head> |
| 4 | + <meta charset="UTF-8" /> |
| 5 | + <meta name="viewport" content="width=device-width, initial-scale=1.0" /> |
| 6 | + <title>Day 88/100</title> |
| 7 | + </head> |
| 8 | + <body> |
| 9 | + <main> |
| 10 | + <div class="toggle" id="toggle"> |
| 11 | + <div class="toggle-indicator"> |
| 12 | + <div class="toggle-indicator-back"></div> |
| 13 | + <div class="toggle-indicator-front"></div> |
| 14 | + </div> |
| 15 | + </div> |
| 16 | + </main> |
| 17 | + |
| 18 | + <style> |
| 19 | + body { |
| 20 | + margin: 0; |
| 21 | + overflow: hidden; |
| 22 | + display: flex; |
| 23 | + justify-content: center; |
| 24 | + align-items: center; |
| 25 | + width: 100vw; |
| 26 | + height: 100vh; |
| 27 | + background-color: #fff; |
| 28 | + } |
| 29 | + |
| 30 | + .toggle { |
| 31 | + position: relative; |
| 32 | + cursor: pointer; |
| 33 | + width: 200px; |
| 34 | + height: 100px; |
| 35 | + outline: 10px solid rgba(235, 235, 235, 1); |
| 36 | + outline-offset: -10px; |
| 37 | + } |
| 38 | + |
| 39 | + .toggle::before { |
| 40 | + content: ""; |
| 41 | + position: absolute; |
| 42 | + top: 0%; |
| 43 | + left: 0%; |
| 44 | + width: 100px; |
| 45 | + height: 100px; |
| 46 | + background-color: rgba(235, 235, 235, 1); |
| 47 | + } |
| 48 | + |
| 49 | + .toggle-indicator { |
| 50 | + position: absolute; |
| 51 | + top: 0%; |
| 52 | + left: 0%; |
| 53 | + width: 100px; |
| 54 | + height: 100px; |
| 55 | + transform: perspective(2000px); |
| 56 | + transform-style: preserve-3d; |
| 57 | + transform-origin: center right; |
| 58 | + |
| 59 | + transition: all 0.5s ease-in-out; |
| 60 | + } |
| 61 | + |
| 62 | + .toggle-indicator-front, |
| 63 | + .toggle-indicator-back { |
| 64 | + position: absolute; |
| 65 | + top: 0%; |
| 66 | + left: 0%; |
| 67 | + width: 100px; |
| 68 | + height: 100px; |
| 69 | + backface-visibility: hidden; |
| 70 | + } |
| 71 | + |
| 72 | + .toggle-indicator-front { |
| 73 | + background-color: rgba(180, 180, 180, 1); |
| 74 | + } |
| 75 | + |
| 76 | + .toggle-indicator-back { |
| 77 | + background-color: #000; |
| 78 | + transform: rotateY(180deg); |
| 79 | + } |
| 80 | + |
| 81 | + .toggle-on .toggle-indicator { |
| 82 | + transform: rotateY(180deg); |
| 83 | + } |
| 84 | + </style> |
| 85 | + |
| 86 | + <script> |
| 87 | + const toggle = document.getElementById("toggle"); |
| 88 | + |
| 89 | + toggle.addEventListener("click", () => { |
| 90 | + toggle.classList.toggle("toggle-on"); |
| 91 | + }); |
| 92 | + </script> |
| 93 | + </body> |
| 94 | +</html> |
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