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Countdown Timer with Preset Buttons<\/title>\n <style>\n \/* Scope all styles to the .countdown-container to avoid global conflicts *\/\n .countdown-container {\n font-family: Arial, sans-serif;\n display: flex;\n flex-direction: column;\n align-items: center;\n justify-content: center;\n width: 100%;\n max-width: 400px;\n margin: 0 auto;\n padding: 20px;\n background-color: #fff;\n border-radius: 10px;\n box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);\n }\n\n .countdown-container input {\n padding: 10px;\n font-size: 1.2rem;\n border: 1px solid #ccc;\n border-radius: 5px;\n margin-bottom: 20px;\n width: 100%;\n box-sizing: border-box;\n }\n\n .countdown-container button {\n padding: 10px 20px;\n font-size: 1.2rem;\n background-color: #007BFF;\n color: white;\n border: none;\n border-radius: 5px;\n cursor: pointer;\n margin: 5px;\n }\n\n .countdown-container button:hover {\n background-color: #0056b3;\n }\n\n .countdown-container .time {\n font-size: 2rem;\n margin: 20px 0;\n color: #333;\n }\n\n .preset-buttons {\n display: flex;\n flex-wrap: wrap;\n justify-content: center;\n width: 100%;\n margin-bottom: 20px;\n }\n\n .preset-buttons .row {\n display: flex;\n width: 100%;\n justify-content: space-between;\n margin-bottom: 10px;\n }\n\n \/* Ensure the body is using your site's default styles *\/\n body {\n margin: 0;\n padding: 0;\n font-family: inherit;\n background-color: inherit;\n }\n <\/style>\n<\/head>\n<body>\n\n <div class=\"countdown-container\">\n <h1>\u010casova\u010d odpo\u010d\u00edt\u00e1v\u00e1n\u00ed<\/h1>\n\n <!-- Preset buttons for default times, arranged in two rows -->\n <div class=\"preset-buttons\">\n <div class=\"row\">\n <button onclick=\"setTime(15)\">15 Seconds<\/button>\n <button onclick=\"setTime(60)\">1 Minute<\/button>\n <\/div>\n <div class=\"row\">\n <button onclick=\"setTime(300)\">5 Minutes<\/button>\n <button onclick=\"setTime(900)\">15 Minutes<\/button>\n <\/div>\n <\/div>\n\n <!-- Input field and start button -->\n <input type=\"number\" id=\"secondsInput\" placeholder=\"Enter seconds\">\n <button onclick=\"startCountdown()\">Start<\/button>\n\n <!-- Countdown display -->\n <div class=\"time\" id=\"countdownDisplay\">00:00<\/div>\n <\/div>\n\n <!-- Audio element for the beep sound -->\n <audio id=\"beepSound\" src=\"https:\/\/setaffiliatebusiness.com\/wp-content\/uploads\/2024\/08\/11L-beep_notification-47605562.mp3\" preload=\"auto\"><\/audio>\n\n <script>\n let countdown;\n let countdownDisplay = document.getElementById(\"countdownDisplay\");\n let beepSound = document.getElementById(\"beepSound\"); \/\/ Get the beep sound element\n\n \/\/ Function to set the time based on preset buttons\n function setTime(seconds) {\n document.getElementById(\"secondsInput\").value = seconds;\n }\n\n function startCountdown() {\n \/\/ Clear any previous countdowns\n clearInterval(countdown);\n\n \/\/ Get the input value (number of seconds)\n let seconds = document.getElementById(\"secondsInput\").value;\n\n \/\/ If the input is not a positive number, do nothing\n if (seconds <= 0 || isNaN(seconds)) {\n countdownDisplay.innerHTML = \"Please enter a valid number of seconds.\";\n return;\n }\n\n \/\/ Start the countdown\n countdown = setInterval(function() {\n if (seconds > 0) {\n seconds--;\n countdownDisplay.innerHTML = formatTime(seconds);\n } else {\n clearInterval(countdown);\n countdownDisplay.innerHTML = \"Time's up!\";\n beepSound.play(); \/\/ Play the beep sound when time is up\n }\n }, 1000);\n }\n\n \/\/ Format time as mm:ss\n function formatTime(seconds) {\n let minutes = Math.floor(seconds \/ 60);\n let remainingSeconds = seconds % 60;\n return `${minutes < 10 ? '0' : ''}${minutes}:${remainingSeconds < 10 ? '0' : ''}${remainingSeconds}`;\n }\n <\/script>\n\n<\/body>\n<\/html>\n\n<\/div><\/div>\n\n<div class=\"gb-container gb-container-3e07841f\">\n<div class=\"gb-grid-wrapper gb-grid-wrapper-1c50609f\">\n<div class=\"gb-grid-column gb-grid-column-cc77d1ab\"><div class=\"gb-container gb-container-cc77d1ab\">\n\n<figure class=\"wp-block-image size-full is-style-rounded\"><img decoding=\"async\" width=\"462\" height=\"442\" data-src=\"https:\/\/setaffiliatebusiness.com\/wp-content\/uploads\/2024\/02\/Me-Mike-Mudesi-1.png\" alt=\"\" class=\"wp-image-26476 lazyload\" data-srcset=\"https:\/\/setaffiliatebusiness.com\/wp-content\/uploads\/2024\/02\/Me-Mike-Mudesi-1.png 462w, https:\/\/setaffiliatebusiness.com\/wp-content\/uploads\/2024\/02\/Me-Mike-Mudesi-1-300x287.png 300w, https:\/\/setaffiliatebusiness.com\/wp-content\/uploads\/2024\/02\/Me-Mike-Mudesi-1-150x144.png 150w\" data-sizes=\"(max-width: 462px) 100vw, 462px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 462px; --smush-placeholder-aspect-ratio: 462\/442;\" \/><\/figure>\n\n<\/div><\/div>\n\n<div class=\"gb-grid-column gb-grid-column-3f0ecd74\"><div class=\"gb-container gb-container-3f0ecd74\">\n\n<h3 class=\"wp-block-heading\">About the Author<\/h3>\n\n\n\n<p><a href=\"https:\/\/setaffiliatebusiness.com\/cz\/about-me\/\">Mike<\/a> is an affiliate marketing analyst, content creator, and the founder of SetAffiliateBusiness.com.<\/p>\n\n\n\n<p>Consistently producing in-depth and insightful articles. ??<\/p>\n\n\n\n<p><a href=\"https:\/\/twitter.com\/MikeMudesi\" target=\"_blank\" rel=\"noopener\" title=\"\">@MikeMudesi<\/a><\/p>\n\n<\/div><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Countdown Timer with Preset Buttons Countdown Timer 15 Seconds 1 Minute 5 Minutes 15 Minutes Start 00:00<\/p>","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Countdown Timer\" \/>\n\t<meta name=\"robots\" content=\"max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n\t<meta name=\"google-site-verification\" content=\"h6KgaENNMUaLgB-xIki0ToOJLtJKW4NcjyFaObQv_0o\" \/>\n\t<meta name=\"msvalidate.01\" content=\"3EB8A4E9E1B1A393DB8D86443743AB9C\" \/>\n\t<meta name=\"p:domain_verify\" content=\"bb743d717ab7e953d9583121db857462\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/setaffiliatebusiness.com\/cz\/countdown-timer\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Set Affiliate Business\" 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