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| 1 | +<!DOCTYPE html> |
| 2 | +<html lang="en"> |
| 3 | +<head> |
| 4 | + <meta charset="UTF-8"> |
| 5 | + <title>JS + CSS Clock</title> |
| 6 | +</head> |
| 7 | +<body> |
| 8 | + |
| 9 | + |
| 10 | + <div class="clock"> |
| 11 | + <div class="clock-face"> |
| 12 | + <div class="hand hour-hand"></div> |
| 13 | + <div class="hand min-hand"></div> |
| 14 | + <div class="hand second-hand"></div> |
| 15 | + </div> |
| 16 | + </div> |
| 17 | + |
| 18 | + |
| 19 | + <style> |
| 20 | + html { |
| 21 | + background: #018DED url(http://unsplash.it/1500/1000?image=881&blur=50); |
| 22 | + background-size: cover; |
| 23 | + font-family: 'helvetica neue'; |
| 24 | + text-align: center; |
| 25 | + font-size: 10px; |
| 26 | + } |
| 27 | + |
| 28 | + body { |
| 29 | + margin: 0; |
| 30 | + font-size: 2rem; |
| 31 | + display: flex; |
| 32 | + flex: 1; |
| 33 | + min-height: 100vh; |
| 34 | + align-items: center; |
| 35 | + } |
| 36 | + |
| 37 | + .clock { |
| 38 | + width: 30rem; |
| 39 | + height: 30rem; |
| 40 | + border: 20px solid white; |
| 41 | + border-radius: 50%; |
| 42 | + margin: 50px auto; |
| 43 | + position: relative; |
| 44 | + padding: 2rem; |
| 45 | + box-shadow: |
| 46 | + 0 0 0 4px rgba(0,0,0,0.1), |
| 47 | + inset 0 0 0 3px #EFEFEF, |
| 48 | + inset 0 0 10px black, |
| 49 | + 0 0 10px rgba(0,0,0,0.2); |
| 50 | + } |
| 51 | + |
| 52 | + .clock-face { |
| 53 | + position: relative; |
| 54 | + width: 100%; |
| 55 | + height: 100%; |
| 56 | + transform: translateY(-3px); /* account for the height of the clock hands */ |
| 57 | + } |
| 58 | + |
| 59 | + .hand { |
| 60 | + width:50%; |
| 61 | + height:6px; |
| 62 | + background:black; |
| 63 | + position: absolute; |
| 64 | + top:50%; |
| 65 | + transform-origin: 100%; |
| 66 | + transform: rotate(90deg); |
| 67 | + transition: all 0.05s; |
| 68 | + transition-timing-function: cubic-bezier(0.1, 2.7, 0.58, 1); |
| 69 | + } |
| 70 | + |
| 71 | + </style> |
| 72 | + <script> |
| 73 | + const secondHand = document.querySelector('.second-hand'); |
| 74 | + const minuteHand = document.querySelector('.min-hand'); |
| 75 | + const hourHand = document.querySelector('.hour-hand'); |
| 76 | + |
| 77 | + function setTime() { |
| 78 | + const now = new Date(); |
| 79 | + |
| 80 | + const seconds = now.getSeconds(); |
| 81 | + const secondsDegrees = ((seconds / 60) * 360) + 90; |
| 82 | + secondHand.style.transform = `rotate(${secondsDegrees}deg)`; |
| 83 | + |
| 84 | + const minutes = now.getMinutes(); |
| 85 | + const minutesDegrees = ((minutes / 60) * 360) + 90; |
| 86 | + minuteHand.style.transform = `rotate(${minutesDegrees}deg)`; |
| 87 | + |
| 88 | + const hours = now.getHours(); |
| 89 | + const hoursDegrees = ((hours / 60) * 360) + 90; |
| 90 | + hourHand.style.transform = `rotate(${hoursDegrees}deg)`; |
| 91 | + } |
| 92 | + |
| 93 | + setInterval(setTime, 1000); |
| 94 | + |
| 95 | + setTime(); |
| 96 | + </script> |
| 97 | +</body> |
| 98 | +</html> |
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