+ Lorem ipsum dolor sit amet consectetur adipisicing elit. Et vero tenetur doloremque iusto ut adipisci quam
+ ratione aliquam excepturi nulla in harum, veritatis porro
+
+
+
+
+
+
+
diff --git a/100_projects/80-simple-countdown-timer/main.js b/100_projects/80-simple-countdown-timer/main.js
new file mode 100644
index 0000000..499e6c4
--- /dev/null
+++ b/100_projects/80-simple-countdown-timer/main.js
@@ -0,0 +1,22 @@
+// 2023-5-13 || 1444-10-22
+let countDownDate = new Date("Dec 31, 2025 23:59:59").getTime();
+
+let counter = setInterval(() => {
+ let dateNow = new Date().getTime();
+
+ let dateDiff = countDownDate - dateNow;
+
+ let days = Math.floor(dateDiff / (1000 * 60 * 60 * 24));
+ let hours = Math.floor((dateDiff % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
+ let minutes = Math.floor((dateDiff % (1000 * 60 * 60)) / (1000 * 60));
+ let seconds = Math.floor((dateDiff % (1000 * 60)) / 1000);
+
+ document.querySelector(".days").innerHTML = days < 10 ? `0${days}` : days;
+ document.querySelector(".hours").innerHTML = hours < 10 ? `0${hours}` : hours;
+ document.querySelector(".minutes").innerHTML = minutes < 10 ? `0${minutes}` : minutes;
+ document.querySelector(".seconds").innerHTML = seconds < 10 ? `0${seconds}` : seconds;
+
+ if (dateDiff < 0) {
+ clearInterval(counter);
+ }
+}, 1000);
\ No newline at end of file
diff --git a/100_projects/80-simple-countdown-timer/normalize.css b/100_projects/80-simple-countdown-timer/normalize.css
new file mode 100644
index 0000000..2ca3f45
--- /dev/null
+++ b/100_projects/80-simple-countdown-timer/normalize.css
@@ -0,0 +1,351 @@
+/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
+
+/* Document
+ ========================================================================== */
+
+/**
+ * 1. Correct the line height in all browsers.
+ * 2. Prevent adjustments of font size after orientation changes in iOS.
+ */
+
+html {
+ line-height: 1.15; /* 1 */
+ -webkit-text-size-adjust: 100%; /* 2 */
+}
+
+/* Sections
+ ========================================================================== */
+
+/**
+ * Remove the margin in all browsers.
+ */
+
+body {
+ margin: 0;
+}
+
+/**
+ * Render the `main` element consistently in IE.
+ */
+
+main {
+ display: block;
+}
+
+/**
+ * Correct the font size and margin on `h1` elements within `section` and
+ * `article` contexts in Chrome, Firefox, and Safari.
+ */
+
+h1 {
+ font-size: 2em;
+ margin: 0.67em 0;
+}
+
+/* Grouping content
+ ========================================================================== */
+
+/**
+ * 1. Add the correct box sizing in Firefox.
+ * 2. Show the overflow in Edge and IE.
+ */
+
+hr {
+ box-sizing: content-box; /* 1 */
+ height: 0; /* 1 */
+ overflow: visible; /* 2 */
+}
+
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
+
+pre {
+ font-family: monospace, monospace; /* 1 */
+ font-size: 1em; /* 2 */
+}
+
+/* Text-level semantics
+ ========================================================================== */
+
+/**
+ * Remove the gray background on active links in IE 10.
+ */
+
+a {
+ background-color: transparent;
+}
+
+/**
+ * 1. Remove the bottom border in Chrome 57-
+ * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
+ */
+
+abbr[title] {
+ border-bottom: none; /* 1 */
+ text-decoration: underline; /* 2 */
+ text-decoration: underline dotted; /* 2 */
+}
+
+/**
+ * Add the correct font weight in Chrome, Edge, and Safari.
+ */
+
+b,
+strong {
+ font-weight: bolder;
+}
+
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
+
+code,
+kbd,
+samp {
+ font-family: monospace, monospace; /* 1 */
+ font-size: 1em; /* 2 */
+}
+
+/**
+ * Add the correct font size in all browsers.
+ */
+
+small {
+ font-size: 80%;
+}
+
+/**
+ * Prevent `sub` and `sup` elements from affecting the line height in
+ * all browsers.
+ */
+
+sub,
+sup {
+ font-size: 75%;
+ line-height: 0;
+ position: relative;
+ vertical-align: baseline;
+}
+
+sub {
+ bottom: -0.25em;
+}
+
+sup {
+ top: -0.5em;
+}
+
+/* Embedded content
+ ========================================================================== */
+
+/**
+ * Remove the border on images inside links in IE 10.
+ */
+
+img {
+ border-style: none;
+}
+
+/* Forms
+ ========================================================================== */
+
+/**
+ * 1. Change the font styles in all browsers.
+ * 2. Remove the margin in Firefox and Safari.
+ */
+
+button,
+input,
+optgroup,
+select,
+textarea {
+ font-family: inherit; /* 1 */
+ font-size: 100%; /* 1 */
+ line-height: 1.15; /* 1 */
+ margin: 0; /* 2 */
+}
+
+/**
+ * Show the overflow in IE.
+ * 1. Show the overflow in Edge.
+ */
+
+button,
+input {
+ /* 1 */
+ overflow: visible;
+}
+
+/**
+ * Remove the inheritance of text transform in Edge, Firefox, and IE.
+ * 1. Remove the inheritance of text transform in Firefox.
+ */
+
+button,
+select {
+ /* 1 */
+ text-transform: none;
+}
+
+/**
+ * Correct the inability to style clickable types in iOS and Safari.
+ */
+
+button,
+[type="button"],
+[type="reset"],
+[type="submit"] {
+ -webkit-appearance: button;
+}
+
+/**
+ * Remove the inner border and padding in Firefox.
+ */
+
+button::-moz-focus-inner,
+[type="button"]::-moz-focus-inner,
+[type="reset"]::-moz-focus-inner,
+[type="submit"]::-moz-focus-inner {
+ border-style: none;
+ padding: 0;
+}
+
+/**
+ * Restore the focus styles unset by the previous rule.
+ */
+
+button:-moz-focusring,
+[type="button"]:-moz-focusring,
+[type="reset"]:-moz-focusring,
+[type="submit"]:-moz-focusring {
+ outline: 1px dotted ButtonText;
+}
+
+/**
+ * Correct the padding in Firefox.
+ */
+
+fieldset {
+ padding: 0.35em 0.75em 0.625em;
+}
+
+/**
+ * 1. Correct the text wrapping in Edge and IE.
+ * 2. Correct the color inheritance from `fieldset` elements in IE.
+ * 3. Remove the padding so developers are not caught out when they zero out
+ * `fieldset` elements in all browsers.
+ */
+
+legend {
+ box-sizing: border-box; /* 1 */
+ color: inherit; /* 2 */
+ display: table; /* 1 */
+ max-width: 100%; /* 1 */
+ padding: 0; /* 3 */
+ white-space: normal; /* 1 */
+}
+
+/**
+ * Add the correct vertical alignment in Chrome, Firefox, and Opera.
+ */
+
+progress {
+ vertical-align: baseline;
+}
+
+/**
+ * Remove the default vertical scrollbar in IE 10+.
+ */
+
+textarea {
+ overflow: auto;
+}
+
+/**
+ * 1. Add the correct box sizing in IE 10.
+ * 2. Remove the padding in IE 10.
+ */
+
+[type="checkbox"],
+[type="radio"] {
+ box-sizing: border-box; /* 1 */
+ padding: 0; /* 2 */
+}
+
+/**
+ * Correct the cursor style of increment and decrement buttons in Chrome.
+ */
+
+[type="number"]::-webkit-inner-spin-button,
+[type="number"]::-webkit-outer-spin-button {
+ height: auto;
+}
+
+/**
+ * 1. Correct the odd appearance in Chrome and Safari.
+ * 2. Correct the outline style in Safari.
+ */
+
+[type="search"] {
+ -webkit-appearance: textfield; /* 1 */
+ outline-offset: -2px; /* 2 */
+}
+
+/**
+ * Remove the inner padding in Chrome and Safari on macOS.
+ */
+
+[type="search"]::-webkit-search-decoration {
+ -webkit-appearance: none;
+}
+
+/**
+ * 1. Correct the inability to style clickable types in iOS and Safari.
+ * 2. Change font properties to `inherit` in Safari.
+ */
+
+::-webkit-file-upload-button {
+ -webkit-appearance: button; /* 1 */
+ font: inherit; /* 2 */
+}
+
+/* Interactive
+ ========================================================================== */
+
+/*
+ * Add the correct display in Edge, IE 10+, and Firefox.
+ */
+
+details {
+ display: block;
+}
+
+/*
+ * Add the correct display in all browsers.
+ */
+
+summary {
+ display: list-item;
+}
+
+/* Misc
+ ========================================================================== */
+
+/**
+ * Add the correct display in IE 10+.
+ */
+
+template {
+ display: none;
+}
+
+/**
+ * Add the correct display in IE 10.
+ */
+
+[hidden] {
+ display: none;
+}
diff --git a/100_projects/80-simple-countdown-timer/style.css b/100_projects/80-simple-countdown-timer/style.css
new file mode 100644
index 0000000..3c94764
--- /dev/null
+++ b/100_projects/80-simple-countdown-timer/style.css
@@ -0,0 +1,111 @@
+* {
+ -webkit-box-sizing: border-box;
+ -moz-box-sizing: border-box;
+ box-sizing: border-box;
+}
+:root {
+ --main-transition: 0.3s;
+ --main-padding-top: 100px;
+ --main-padding-bottom: 100px;
+ --section-background: #ececec;
+}
+a {
+ text-decoration: none;
+}
+body{
+ height: 100vh;
+ background-image: linear-gradient(to right top, #38438b, #944b94, #d75a88, #ff7e71, #ffb25f, #ffeb68);
+ background-repeat: no-repeat;
+}
+ul {
+ list-style: none;
+ margin: 0;
+ padding: 0;
+}
+.container {
+ padding-left: 15px;
+ padding-right: 15px;
+ margin-left: auto;
+ margin-right: auto;
+}
+@media (min-width: 768px) {
+ .container {
+ width: 750px;
+ }
+}
+/* Medium */
+@media (min-width: 992px) {
+ .container {
+ width: 970px;
+ }
+}
+/* Large */
+@media (min-width: 1200px) {
+ .container {
+ width: 1170px;
+ }
+}
+.events {
+ padding-top: var(--main-padding-top);
+ padding-bottom: var(--main-padding-bottom);
+ position: relative;
+}
+.events .container {
+ display: flex;
+ align-items: center;
+ flex-wrap: wrap;
+}
+.events .info {
+ flex: 1;
+}
+.events .info .time {
+ display: flex;
+ align-items: center;
+ margin: 20px auto;
+ gap: 10px;
+ justify-content: center;
+}
+.events .info .time .unit {
+ border: 1px solid #d4d4d4;
+ border-radius: 6px;
+ text-align: center;
+ width: 75px;
+ transition: var(--main-transition);
+ display: flex;
+ justify-content: center;
+ align-items: center;
+ flex-direction: column;
+ cursor: pointer;
+}
+.events .info .time .unit span {
+ display: block;
+ transition: var(--main-transition);
+}
+.events .info .time .unit span:first-child {
+ font-size: 35px;
+ padding: 15px;
+ color: #fff;
+ font-weight: bold;
+}
+.events .info .time .unit span:last-child {
+ padding: 8px 10px;
+ font-size: 13px;
+ border-top: 1px solid #d4d4d4;
+}
+.events .info .time .unit:hover,
+.events .info .time .unit:hover span:last-child {
+ border-color: var(--main-color);
+}
+.events .title {
+ text-align: center;
+ margin: 40px 0 0;
+ font-size: 30px;
+ color: #fff;
+ font-family: 'Courier New', Courier, monospace;
+}
+.events .description {
+ text-align: center;
+ line-height: 1.7;
+ font-size: 19px;
+ color: #fff;
+}
\ No newline at end of file