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| 1 | +<!DOCTYPE html> |
| 2 | +<html> |
| 3 | +<head> |
| 4 | + <meta charset="utf-8"> |
| 5 | + <title>Example: using the :has() selector</title> |
| 6 | + <style> |
| 7 | + body { |
| 8 | + font-family: Verdana, Geneva, Tahoma, sans-serif; |
| 9 | + } |
| 10 | + |
| 11 | + select, |
| 12 | + button { |
| 13 | + width: 100%; |
| 14 | + padding: 10px; |
| 15 | + margin-top: 5px; |
| 16 | + border-radius: 5px; |
| 17 | + border: 1px solid #ddd; |
| 18 | + } |
| 19 | + |
| 20 | + select:has(option[value=""]:checked) { |
| 21 | + color: #ddd; |
| 22 | + border-color: #ddd; |
| 23 | + } |
| 24 | + |
| 25 | + select:has(option[value=""]:not(:checked)) { |
| 26 | + color: black; |
| 27 | + border-color: black; |
| 28 | + } |
| 29 | + |
| 30 | + #filter-form { |
| 31 | + width: 250px; |
| 32 | + padding: 20px; |
| 33 | + background-color: #f8f9fa; |
| 34 | + border-radius: 10px; |
| 35 | + box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); |
| 36 | + } |
| 37 | + </style> |
| 38 | +</head> |
| 39 | + |
| 40 | +<body> |
| 41 | + <form id="filter-form"> |
| 42 | + <h3>Filter Fishing Spots</h3> |
| 43 | + <label for="place_type">Place Type</label> |
| 44 | + <select id="place_type" name="place_type"> |
| 45 | + <option value>--- Any Place Type ---</option> |
| 46 | + <option value="River">River</option> |
| 47 | + <option value="Lake">Lake</option> |
| 48 | + </select> |
| 49 | + <label for="bottom_conditions">Bottom Conditions</label> |
| 50 | + <select id="bottom_conditions" name="bottom_conditions"> |
| 51 | + <option value>--- Any Bottom Conditions ---</option> |
| 52 | + <option value="Gravel">Gravel</option> |
| 53 | + <option value="Mixed">Mixed</option> |
| 54 | + </select> |
| 55 | + <label for="species">Species</label> |
| 56 | + <select id="species" name="species"> |
| 57 | + <option value>--- Any Species ---</option> |
| 58 | + <option value="Grayling">Grayling</option> |
| 59 | + <option value="Asp">Asp</option> |
| 60 | + <option value="Brown Trout">Brown Trout</option> |
| 61 | + <option value="Wels Catfish">Wels Catfish</option> |
| 62 | + <option value="Rainbow Trout">Rainbow Trout</option> |
| 63 | + <option value="Danube Salmon">Danube Salmon</option> |
| 64 | + <option value="Brook Trout">Brook Trout</option> |
| 65 | + <option value="Bleak">Bleak</option> |
| 66 | + <option value="Roach">Roach</option> |
| 67 | + <option value="Carp">Carp</option> |
| 68 | + <option value="Pike">Pike</option> |
| 69 | + <option value="Bream">Bream</option> |
| 70 | + <option value="Barbel">Barbel</option> |
| 71 | + <option value="Perch">Perch</option> |
| 72 | + <option value="Zander">Zander</option> |
| 73 | + <option value="Burbot">Burbot</option> |
| 74 | + <option value="Tench">Tench</option> |
| 75 | + <option value="Rudd">Rudd</option> |
| 76 | + <option value="Chub">Chub</option> |
| 77 | + <option value="Whitefish">Whitefish</option> |
| 78 | + </select> |
| 79 | + <label for="season">Season</label> |
| 80 | + <select id="season" name="season"> |
| 81 | + <option value>--- Any Season ---</option> |
| 82 | + <option value="Spring">Spring</option> |
| 83 | + <option value="Winter">Winter</option> |
| 84 | + <option value="Summer">Summer</option> |
| 85 | + <option value="Autumn">Autumn</option> |
| 86 | + </select> |
| 87 | + <button type="button" onclick="applyFilters()">Apply |
| 88 | + Filters</button> |
| 89 | + </form> |
| 90 | +</body> |
| 91 | +</html> |
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