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| 1 | +<!DOCTYPE html> |
| 2 | +<html lang="en"> |
| 3 | +<head> |
| 4 | + <meta charset="UTF-8"> |
| 5 | + <title>Flex Panels 💪</title> |
| 6 | + <link href='https://fonts.googleapis.com/css?family=Amatic+SC' rel='stylesheet' type='text/css'> |
| 7 | +</head> |
| 8 | +<body> |
| 9 | + <style> |
| 10 | + html { |
| 11 | + box-sizing: border-box; |
| 12 | + background:#ffc600; |
| 13 | + font-family:'helvetica neue'; |
| 14 | + font-size: 20px; |
| 15 | + font-weight: 200; |
| 16 | + } |
| 17 | + body { |
| 18 | + margin: 0; |
| 19 | + } |
| 20 | + *, *:before, *:after { |
| 21 | + box-sizing: inherit; |
| 22 | + } |
| 23 | + |
| 24 | + .panels { |
| 25 | + min-height:100vh; |
| 26 | + overflow: hidden; |
| 27 | + display:flex; |
| 28 | + } |
| 29 | + |
| 30 | + .panel { |
| 31 | + background:#6B0F9C; |
| 32 | + box-shadow:inset 0 0 0 5px rgba(255,255,255,0.1); |
| 33 | + color:white; |
| 34 | + text-align: center; |
| 35 | + align-items:center; |
| 36 | + /* Safari transitionend event.propertyName === flex */ |
| 37 | + /* Chrome + FF transitionend event.propertyName === flex-grow */ |
| 38 | + transition: |
| 39 | + font-size 0.7s cubic-bezier(0.61,-0.19, 0.7,-0.11), |
| 40 | + flex 0.7s cubic-bezier(0.61,-0.19, 0.7,-0.11), |
| 41 | + background 0.2s; |
| 42 | + font-size: 20px; |
| 43 | + background-size:cover; |
| 44 | + background-position:center; |
| 45 | + flex: 1; /*evenly distribute extra space*/ |
| 46 | + /*justify-content:center; |
| 47 | + align-items: center; Neither of these properties are required because the CSS properties of the nested flex items are doing all the work*/ |
| 48 | + display:flex; |
| 49 | + flex-direction: column; /*makes the text stack vertically rather than ltr*/ |
| 50 | + } |
| 51 | + |
| 52 | + .panel > *:first-child { |
| 53 | + transform: translateY(-100%); |
| 54 | + } |
| 55 | + |
| 56 | + .panel.open-active> *:first-child { |
| 57 | + transform: translateY(0%); |
| 58 | + } |
| 59 | + |
| 60 | + .panel > *:last-child { |
| 61 | + transform: translateY(100%); |
| 62 | + } |
| 63 | + |
| 64 | + .panel.open-active> *:last-child { |
| 65 | + transform: translateY(0%); |
| 66 | + } |
| 67 | + |
| 68 | + |
| 69 | + .panel1 { background-image:url(https://source.unsplash.com/gYl-UtwNg_I/1500x1500); } |
| 70 | + .panel2 { background-image:url(https://source.unsplash.com/1CD3fd8kHnE/1500x1500); } |
| 71 | + .panel3 { background-image:url(https://images.unsplash.com/photo-1465188162913-8fb5709d6d57?ixlib=rb-0.3.5&q=80&fm=jpg&crop=faces&cs=tinysrgb&w=1500&h=1500&fit=crop&s=967e8a713a4e395260793fc8c802901d); } |
| 72 | + .panel4 { background-image:url(https://source.unsplash.com/ITjiVXcwVng/1500x1500); } |
| 73 | + .panel5 { background-image:url(https://source.unsplash.com/3MNzGlQM7qs/1500x1500); } |
| 74 | + |
| 75 | + .panel > * { |
| 76 | + margin:0; |
| 77 | + width: 100%; |
| 78 | + transition:transform 0.5s; |
| 79 | + border: 1px solid red; |
| 80 | + flex: 1 0 auto; /*forces each element to take up 1/nth of the container*/ |
| 81 | + display: flex; |
| 82 | + justify-content: center; /*used with flex. Determines the horizontal placement of content within the element*/ |
| 83 | + align-items: center; /* used with flex. Determines the vertical placement of content within the element. In this examples the content within the <p> tags will be centered*/ |
| 84 | + } |
| 85 | + |
| 86 | + .panel p { |
| 87 | + text-transform: uppercase; |
| 88 | + font-family: 'Amatic SC', cursive; |
| 89 | + text-shadow:0 0 4px rgba(0, 0, 0, 0.72), 0 0 14px rgba(0, 0, 0, 0.45); |
| 90 | + font-size: 2em; |
| 91 | + } |
| 92 | + .panel p:nth-child(2) { |
| 93 | + font-size: 4em; |
| 94 | + } |
| 95 | + |
| 96 | + .panel.open { |
| 97 | + flex:5; /*when it has a class of open, take 5 times the amount space as something with flex:1;*/ |
| 98 | + font-size:40px; |
| 99 | + } |
| 100 | + |
| 101 | + .cta { |
| 102 | + color:white; |
| 103 | + text-decoration: none; |
| 104 | + } |
| 105 | + |
| 106 | + </style> |
| 107 | + |
| 108 | + |
| 109 | + <div class="panels"> |
| 110 | + <div class="panel panel1"> |
| 111 | + <p>Hey</p> |
| 112 | + <p>Let's</p> |
| 113 | + <p>Dance</p> |
| 114 | + </div> |
| 115 | + <div class="panel panel2"> |
| 116 | + <p>Give</p> |
| 117 | + <p>Take</p> |
| 118 | + <p>Receive</p> |
| 119 | + </div> |
| 120 | + <div class="panel panel3"> |
| 121 | + <p>Experience</p> |
| 122 | + <p>It</p> |
| 123 | + <p>Today</p> |
| 124 | + </div> |
| 125 | + <div class="panel panel4"> |
| 126 | + <p>Give</p> |
| 127 | + <p>All</p> |
| 128 | + <p>You can</p> |
| 129 | + </div> |
| 130 | + <div class="panel panel5"> |
| 131 | + <p>Life</p> |
| 132 | + <p>In</p> |
| 133 | + <p>Motion</p> |
| 134 | + </div> |
| 135 | + </div> |
| 136 | + |
| 137 | + <script> |
| 138 | + |
| 139 | + const panels = document.querySelectorAll(".panel"); |
| 140 | + function toggleOpen() { |
| 141 | + this.classList.toggle("open"); |
| 142 | + } |
| 143 | + |
| 144 | + function toggleActive(e) { |
| 145 | + if(e.propertyName.includes('flex')) { |
| 146 | + this.classList.toggle("open-active"); |
| 147 | + } |
| 148 | +} |
| 149 | + |
| 150 | + panels.forEach(panel => panel.addEventListener('click',toggleOpen)); |
| 151 | + panels.forEach(panel => panel.addEventListener('transitionend',toggleActive)); |
| 152 | + |
| 153 | + </script> |
| 154 | + |
| 155 | + |
| 156 | + |
| 157 | +</body> |
| 158 | +</html> |
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