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HTML

              
                <!--
Created by David Junior
ยฉ All Rights Reserved
-->
<!DOCTYPE html>
<html>
<head> 
    <title>Happy Birthday Dear Me \^o^/โค</title>
    <link href="https://fonts.googleapis.com/css2?family=Gugi&family=Monoton&family=Quantico&display=swap" rel="stylesheet" />
</head>
<body>
    <section id="container">
        <div class="introduction">
            Its me<br><b>DAVID</b><br><b>JUNIOR</b><br>๐Ÿ˜„๐Ÿ˜„๐Ÿ˜„๐Ÿ˜„๐Ÿ˜„๐Ÿ˜„<br>Presenting a little<br>B-day code<br> ๐Ÿฐ๐Ÿฐ๐Ÿฐ๐Ÿฐ๐Ÿฐ๐Ÿฐ<br>Hope you like it
        </div>
        <aside id="context">
            <p class="slide1">In 2017, I joined SOLOLEARN<br>๐Ÿ˜ดbut I was dormant๐Ÿ˜ด</p>
            <p class="slide2">๐Ÿ˜ดfor 3 years๐Ÿ˜ด<br>๐Ÿ“• โฒ ๐Ÿ“–<br><img alt="" src="https://blob.sololearn.com/avatars/55853217-9614-4366-9a29-e682c4870855.jpg"></p>
            <label class="label"><span class="age">15</span> <span class="cake"><br>๐ŸŽ‚</span><br><sub>DOB: 25<sup>th</sup> September 2005</sub><br>FIRST BIRTHDAY IN SOLOLEARN<br>Many thanks to<br> Sololearn, Friends and Supporters<br>๐Ÿ‘‡๐Ÿ‘‡๐Ÿ‘‡</label>
            <h4 class="xxxx"></h4>
            <h5 class="xxx"></h5>
            <h6 class="xx"></h6>
            <marquee width="90%" scrollamount="10" class="m">The end(English) โ€ข La fin(French) โ€ข เคธเคฎเคพเคชเฅเคค(Hindi โ€ข Mwisho(Swahili)) โ€ข El fin(Spanish) โ€ข ะšะพะฝะตั†(Russian) โ€ข ุงู„ู†ู‡ุงูŠุฉ(Arabic) โ€ข La fine(Italian) โ€ข Das Ende(German) โ€ข ็ตๆŸ(Chinese) โ€ข ็ต‚ใ‚ใ‚Š(Japanese) โ€ข Wakas(Filipino) โ€ข เธ•เธญเธ™เธˆเธš(Thai) โ€ข Son(Turkish)โ€ข ะšั–ะฝะตั†ัŒ(Ukrainian)</marquee>
        </aside>
        <footer>&copy; David Junior</footer>
    </section>
    <script>
window.onload

let $_$ = document.querySelector("#container");
let $__$, $___$, $$1, $$2, xx, xxx, xxxx, m;
let $1 = document.querySelector(".slide1");
let $2 = document.querySelector(".slide2");
xx = document.querySelector(".xx");
xxx = document.querySelector(".xxx");
xxxx = document.querySelector(".xxxx");
m = document.querySelector(".m");

setTimeout(function(){
    document.querySelector(".introduction").style.animationName = "intro";
    
    setTimeout(function() {
        $1.style.animationName = "slide1";
        $2.style.animationName = "slide2";
        
        setTimeout(function() {
            $1.innerHTML = "Because of the BIG-C, in 2020<br>I wanted to";
            $2.innerHTML = "try something new<br>so I got into coding<br> ๐Ÿ‘จ๐Ÿปโ€๐Ÿ’ป๐Ÿ’ป๐Ÿ“ˆ";
            document.querySelector(".introduction").style.display = "none";
            
            setTimeout(function() {
                $1.innerHTML = "Thanks to Sololearn<br>and its great community";
                $2.innerHTML = "I learnt so much than<br>I thought I could<br>๐Ÿ‘จ๐Ÿฝโ€๐Ÿซ๐Ÿคฏ๐Ÿ‘จ๐Ÿฝโ€๐ŸŽ“<br><img alt='' src='data:image/png;base64,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'>";

                setTimeout(function() {
                    $1.innerHTML = "Along the way,<br>I have made";
                    $2.innerHTML = "a couple of friends<br>๐Ÿ‘ฆ๐Ÿค๐Ÿง”<br><sub>They will mentioned<br>below after a while</sub> ";

                    setTimeout(function() {
                        $1.innerHTML = "A virtual cake is<br>the little I can offer";
                        $2.innerHTML = "Please have some<br>๐Ÿฅณ๐ŸŽˆ๐ŸŽ‰";
                        
                        setTimeout(function() {
                            $1.style.display = "none";
                            $2.style.display = "none";
                            document.querySelector(".label").style.animationName = "celebrate";
                            
                            setTimeout(function(){
                                xx.innerHTML = "Joshua burg";
                                xxx.innerHTML = "The angels of Sololerarn";
                                xxxx.innerHTML = "My Sololearn friends"
                                xx.style.animationName = "friend";
                                xxx.style.animationName = "friend";
                                xxxx.style.animationName = "friend";
                                
                                setTimeout(function() {
                                xx.innerHTML = "Aad Hoogenboom";
                                document.querySelector(".label").style.opacity = "1";
                                
                                setTimeout(function() {
                                    xx.innerHTML = "Aji";

                                    setTimeout(function() {
                                        xx.innerHTML = "Vitya";

                                        setTimeout(function() {
                                            xxx.innerHTML = "Supporters";
                                            xx.innerHTML = "Manab Bist";

                                            setTimeout(function() {
                                                xx.innerHTML = "Kode Krasher";

                                                setTimeout(function() {
                                                    xx.innerHTML = "Yoshideveloper";

                                                    setTimeout(function() {
                                                        xx.innerHTML = "Riddle";

                                                        setTimeout(function() {
                                                            xx.innerHTML = "Dual Core";
                                                            
                                                            setTimeout(function(){
                                                                xx.innerHTML = "Unity";
                                                                
                                                                setTimeout(function(){
                                                                    xx.innerHTML = "Cheyat";
                                                                    
                                                                    setTimeout(function(){
                                                                        xx.innerHTML = "Teo";
                                                                        
                                                                        setTimeout(function() {
                                                                            xxxx.style.display = "none";
                                                                            xxx.style.display = "none";
                                                                            xx.innerHTML = "THANKS FOR CHECKING OUT MY CODE<br>BTW<br>A HAPPY BIRTHDAY<br>WISH WOULD MEAN A LOT<br>HAVE A NICE DAY";
                                                                            xx.style.opacity = 1; 
                                                                            m.style.opacity = 1;
                                                                                }, 5000);
                                                                            },5000)
                                                                        },5000)
                                                                    },5000)
                                                                }, 5000);
                                                            }, 5000);
                                                        }, 5000);
                                                    }, 5000);
                                                }, 5000);
                                            }, 5000);
                                        }, 5000);
                                    },5000)
                                }, 8000);
                            }, 6600);
                        }, 7000);
                    }, 7000);
                }, 7000);
            }, 7000);
        }, 5600);
    },0);




function $(__, ___) {
    for (let i = 1; i <= 10; i++) {
        let con = document.createElement("aside");
        con.className = __ + " " + ___ + i;
        $_$.appendChild(con);
        }
    }
$("c11", "c");
$("c12", "t");
$("c13", "s");
$("c14", "r");
$("c15", "x");

function $$(____) {
    switch (____) {
        case "c":
            $___$ = 2;
            break;
        case "t":
            $___$ = 4;
            break;
        case "s":
            $___$ = 6;
            break;        
        case "r":
            $___$ = 8;
            break;
        case "x":
            $___$ = 10;
            break;
        }        
        for (let i = 1; i <= 10; i++) {
            $__$ = document.querySelector("." + ____ + i); 
            $__$.style.animationDelay = Math.random() * 10 + "s";
            $__$.style.left = $___$ + "%";
            $___$ += 9.9;
        }
    }
$$("c");
$$("t");
$$("s");
$$("r");
$$("x");
    </script>
</body>
</html>   
              
            
!

CSS

              
                * {  
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
        
head {
    display: none;
    position: relative;
    width: 0;
    height: 0;
}
        
html,body {
    position: relative;
    left: 0;
    top: 0;
}
        
body {
    color: #fff;
    text-align: center;
    font-family: Quantico;
}
        
#container {
    width: 100%;
    height: 100vh;
    min-width: fit-content;
    min-height: fit-content;
    position: relative;
    overflow: hidden;
    background-position: 0% 0%;
    background-size: 500%;
    background-image: linear-gradient(135deg, #845ec2, #d65db1, #ff6f91, #ff9671, #ffc04a, #ffff29);
    animation: back 8s ease-in-out infinite;
}
        
@keyframes back {
    0% {background-position: 0 0;}
    50% {background-position: 100% 100%;}
    100% {background-position: 0 0;}
    }
        
div {
    position: absolute;
    width: 100%;
    animation: 5.6s cubic-bezier(0, 0.23, 0.99, 0.41) 1;
    transform: scale(0);
    margin-top: 50px;
    overflow: hidden;
}
        
@keyframes intro {
    0% {transform: scale(0.5);
        color: #fff;}
    60% {color: #fff;
        transform: scale(1.2);}
    100% {color: #fff0;
          transform: scale(0);}}
        
.c11,.c12,.c13,.c14,.c15 {
    top: -50px;
    animation: confetti 2s linear infinite;
    position: absolute;
}
        
.c11 {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #9b61ff;}
        
.c12 {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 10px solid #ffd300;
}
        
.c13 {
    width: 10px;
    height: 10px;
    background-color: red;
}
        
.c14 {
    width: 10px;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 10px solid #23c1ff;
}
        
.c15 {
    width: 10px;
    height: 25px;
    background-color: #ec20ff;
}
        
@keyframes confetti {
    0% {transform: rotateX(0deg);
        top: -300px;
        opacity: 1;}
    70% {opacity: 1;}
    97% {opacity: 0;}
    100% {transform: rotateX(720deg);
          top: 700px;
          opacity: 0;}
}
        
img {
    border: 15px double #d65db1;
    border-radius: 50%;
    width: 100px;
    height: 100px;
}
        
footer {
    position: absolute;
    bottom: 0;
    font-size: small;
    opacity: .5;
}
        
#context {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100vh;
}
        
p {
    position: relative;
    font-size: 20px;
    opacity: 0;
}
        
.slide1 {
    margin-top: 30px;
    animation: 7s 5;
}
        
.slide2 {
    margin-top: 0;
    animation: 7s 5;
}
        
@keyframes slide1 {
    0% {transform: translate(-300px, 0);
        opacity: 0;}
    40% {transform: translate(0px, 0);
        opacity: 1;}
    70% {transform: translate(0px, 0);
        opacity: 1;}
    100% {transform: translate(300px, 0);
        opacity: 0;}
}
        
@keyframes slide2 {
    0% {transform: translate(300px, 0);
        opacity: 0;}
    40% {transform: translate(0px, 0);
        opacity: 1;}
    70% {transform: translate(0px, 0);
        opacity: 1;}
    100% {transform: translate(-300px, 0);
        opacity: 0;}
}
        
label {
    opacity: 0; 
    font-size: small;
    animation: 20s ;
}
        
@keyframes celebrate {
    0% {opacity: 0;}
    20% {opacity: 1;}
    100% {opacity: 1;}
}
        
.age {
    line-height: 60px;
    font-size: 30px;
    font-family: Monoton;
    animation: scale 3s ease-in-out infinite;
}
        
b {
    font-family: Monoton;
}
        
.cake {
    font-size: 40px;
    line-height: 40px;
}
        
@keyframes scale {
    0% {font-size: 30px;}
    50% {font-size: 40px;}
    100% {font-size: 30px;}
}
        
.m {
    opacity: 0;
    margin-top: 10px;
}
        
.xx,.xxx,.xxxx {
    position: relative;
    width: 100%;
    opacity: 0;
    margin: 5px 0;
    animation: 5s ease-in-out 12;
    font-family: Gugi;
}
        
@keyframes friend {
    0% {transform: translateY(20px);
        opacity: 0;}
    30% {transform: translateX(0px);
        opacity: 1;}
    50% {transform: translateX(0px);
        opacity: 1;}
    100% {transform: translateY(20px);
        opacity: 0;}
} 
              
            
!

JS

              
                
              
            
!
999px

Console