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HTML

              
                <header class="header">
        <div class="col">
            <div class="content">
                <h1 class="heading">the largest <span>code jam</span></h1>
                <p class="info">Lorem ipsum dolor sit amet consectetur adipisicing elit. Eligendi facilis reiciendis sapiente excepturi unde recusandae officia natus laborum itaque id?</p>
                <button class="btn">register today</button>
                <span class="register-count">9890 in</span>
            </div>
        </div>
        <div class="col">
            <img src="https://github.com/kunaal438/awesome-header-animation/blob/master/coding.png?raw=true" class="svg" alt="">
        </div>
    </header>
              
            
!

CSS

              
                @import url('https://fonts.googleapis.com/css2?family=Dosis:wght@200;300;400;500;600;700;800&display=swap');


*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #ff6262;
    position: relative;
    perspective: 1000px;
    overflow: hidden;
}

body::before{
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 100vh;
    background: #dc3c3c;
}

.header{
    position: relative;
    width: 20px;
    height: 100vh;
    background: #ff6262;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: rotateX(180deg);
    animation: rotateX 1s 1s forwards 1, scale 2s 2.2s forwards 1;
}

.header::before{
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 3px;
    height: 100%;
    background-color: #fff;
    animation: slide-in 1s forwards 1;
}

.header::after{
    content: '';
    position: absolute;
    top: -100%;
    right: 0;
    width: 3px;
    height: 100%;
    background: #fff;
    animation: slide-in 1s forwards 1;
}

@keyframes slide-in{
    99%{
        top: 0;
        opacity: 1;
    }
    100%{
        top: 0;
        opacity: 0;
    }
}

@keyframes rotateX{
    0%{
        transform: rotateX(180deg);
        height: 100vh;
        background-color: #fbfbfb;
    }
    100%{
        transform: rotateX(0deg);
        height: 95%;
        background-color: #fbfbfb;
    }
}

@keyframes scale{
    100%{
        width: 92%;
        border-radius: 10px;
        padding: 0 60px;
        box-shadow: 0 40px 50px rgba(0, 0, 0, 0.25);
    }
}

.col{
    width: 50%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    animation: fade-in 1s forwards 1;
    animation-delay: 4s;
}

@keyframes fade-in{
    100%{
        opacity: 1;
    }
}

.svg{
    width: 80%;
    height: 80%;
    object-fit: contain;
}

.heading{
    font-family: 'dosis';
    text-transform: capitalize;
    color: #ff6262;
    font-weight: 600;
    font-size: 50px;
    line-height: 50px;
}

.heading span{
    display: block;
    color: #212121;
    font-size: 120px;
    font-weight: 800;
    line-height: 120px;
}

.info{
    margin: 40px 0;
    font-family: 'roboto', sans-serif;
    text-transform: capitalize;
    font-size: 20px;
    line-height: 30px;
}

.btn{
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 50px;
    border: 2px solid #ff6262;
    text-transform: capitalize;
    color: #ff6262;
    background: none;
    transition: .5s;
    cursor: pointer;
}

.btn:hover{
    background: #ff6262;
    color: #fff;
}

.register-count{
    padding: 10px 20px;
    background: #ffeeee;
    font-family: 'roboto', sans-serif;
    text-transform: capitalize;
    margin-left: 20px;
}

@media screen and (max-width: 1000px){
    body::after{
        content:'See Demo in 0.5x scale';
        display: flex;
        justify-content: center;
        align-items: center;
        text-align: center;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: #000;
        color: #fff;
        font-family: 'roboto', sans-serif;
        z-index: 999999999;
    }
}
              
            
!

JS

              
                
              
            
!
999px

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