.section_1 
{
    position: relative;
    width: 393px/* 100% */;
    height: 665px/* 100vh */;
    background: #e12516;
    flex-shrink: 0;
    overflow: hidden;
    /* border: 2px solid black; */
}

.section_1
{
    --color: gray;
    background-image: linear-gradient( 0deg , transparent 24% , var(--color) 25% , var(--color) 26% ,  transparent 27% ,  transparent 74% , var(--color) 75% , var(--color) 76% , transparent 77% ,  transparent ) , 
    linear-gradient( 90deg , transparent 24% , var(--color) 25% , var(--color) 26% ,  transparent 27% ,  transparent 74% , var(--color) 75% , var(--color) 76% , transparent 77% ,  transparent );
    
    background-size: 100px 100px ;
}

.section_1-content
{
    position: relative;
    width: 100%;
    height: 100vh;
    transform: scale(0.9);
    /* border: 2px solid black; */
}

.section_1 .circle_1
{
    position: relative;
    width: 50px;
    height: 50px;
    top:  350px;
    left:  200px;
    background-color: white;
    border-radius: 50%;
    z-index: 0;
    opacity: 0;
    
    animation: circle-1 1s ease-in-out forwards ;
        
}

 @keyframes circle-1
{
    from
    {
        width: 50px;
        height: 50px;
        top: 350px;
        left: 200px;
        opacity: 1;
    }
    to
    {
        width: 250px;
        height: 250px;
        top: 200px;
        left: 100px;
        opacity: 1;
    }
}
 
.section_1 .circle_2
{
    position: relative;
    width: 280px;
    height: 280px;
    top: -65px;
    left: 82px;
    border: 2px solid  white ;
    border-radius: 50%;
    opacity: 0;
    z-index: 0;
    
    
    animation: circle-2 1s ease-in-out forwards ;
           
}

 @keyframes circle-2
{
    from
    {
        width: 80px;
        height: 80px;
        top: 280px;
        left: 180px;
        opacity: 1;
    }
    to
    {
        width: 280px;
        height: 280px;
        top: -65px;
        left: 82px;
        opacity: 1;
    }
}

 .section_1 .name p:nth-of-type(1)
{
    position: absolute;    
    top: 250px;
    left: 120px;
    font-family: DUMERO-Rounded;
    font-size: 150px;
    color: #53c2df;
    transform: rotate(90deg) scaley(1.5) scalex(1.2);
    opacity: 1;
    
    animation: name-p-1 1s ease-in-out forwards;
    
}

 @keyframes name-p-1
{
    0%
    {
        opacity: 0;
    }
    30%
    {
        opacity: 1;
    }
    60%
    {
        opacity: 0;
    }
    100%
    {
        opacity: 1;
    }
}
 
 
 .section_1 .name p:nth-of-type(2)
{
    position: absolute;    
    top: 250px;
    left: 120px;
    font-family: DUMERO-Rounded;
    font-size: 150px;
    transform: rotate(90deg) scaley(1.5) scalex(1.2);
    color: transparent;
    -webkit-text-stroke: 2px #52c2bf;
    z-index: 3;
    
    animation: name-p-2 1s ease-in-out forwards ;
    
} 

@keyframes name-p-2
{
    0%
    {
        opacity: 0;
    }
    30%
    {
        opacity: 1;
    }
    60%
    {
        opacity: 0;
    }
    100%
    {
        opacity: 1;
    }
}


 .section_1 .nithya img
{
    position: relative;
    width: 400px;
    height: auto;
    top: -520px;
    right: 400px;
    transform: rotate(90deg);
    z-index: 5;
    
    animation: akshi-img 1s ease-in-out 1s forwards;
    
}

@keyframes akshi-img
{
    from
    {
        right: 400px;
    }
    to
    {
        right: 10px;
    }
}
 
 .section_1 .sun_flower-1 img
{
    position:  absolute ;
    width: 220px;
    height: auto;
    left: 50px;
    top: 300px;
    z-index: 1;
    opacity: 0;
    
    
    animation: sun-flower-1 0.5s ease-in-out 2s forwards ;
    
}

@keyframes sun-flower-1 
{
    from
    {
        width: 200px ;
        opacity: 1;
    }
    to
    {
        width: 220px;
        opacity: 1;
    }
}
 
 .section_1 .sun_flower-2 img
{
    position:  absolute ;
    width: 220px;
    height: auto;
    left: -70px;
    top: 300px;
    z-index: 2;
    opacity: 0;
    
    
    animation: sun-flower-2 0.5s ease-in-out 2s forwards;
    
} 

@keyframes sun-flower-2 
{
    from
    {
        width: 200px ;
        opacity: 1;
    }
    to
    {
        width: 220px;
        opacity: 1;
    }
}


 .section_1 .sun_flower-3 img
{
    position:  absolute ;
    width: 260px;
    height: auto;
    left: -50px;
    top: 120px;
    z-index: 2;
    opacity: 0;
    
    
    animation: sun-flower-2 0.5s ease-in-out 2s forwards ;
    
}

@keyframes sun-flower-3 
{
    from
    {
        width: 200px ;
        opacity: 1;
    }
    to
    {
        width: 260px;
        opacity: 1;
    }
}

 
 .section_1 .pink_stem_flower img
{
    position:  absolute ;
    width: 170px;
    height: auto;
    left: 140px;
    top: 50px;
    transform: rotate(90deg);
    z-index: 1;
    opacity: 0;
    
    animation: pink-stem-flower 0.5s ease-in-out 2s forwards;
    
}

@keyframes pink-stem-flower 
{
    from
    {
        width: 150px ;
        opacity: 1;
    }
    to
    {
        width: 170px;
        opacity: 1;
    }
}
 
 .section_1 .pink_flower img
{
    position:  absolute ;
    width: 70px;
    height: auto;
    left: 240px;
    top: 395px;
    transform: rotate(0deg);
    z-index:1;
    opacity: 0;
    
    animation: pink-flower 0.5s ease-in-out 2s forwards ;
 
    
}

@keyframes pink-flower 
{
    from
    {
        width: 50px ;
        opacity: 1;
    }
    to
    {
        width: 70px;
        opacity: 1;
    }
}

 
  .section_1 .leaf_1 img
{
    position:  absolute ;
    width: 200px;
    height: auto;
    left: 20px;
    top: 400px;
    transform: rotate(90deg);
    z-index:0;
    opacity: 0;
    
    animation: leaf-1 0.5s ease-in-out 2s forwards ;
    
}

@keyframes leaf-1 
{
    from
    {
        width: 180px ;
        opacity: 1;
    }
    to
    {
        width: 200px;
        opacity: 1;
    }
}
 
 .section_1 .leaf_2 img
{
    position:  absolute ;
    width: 200px;
    height: auto;
    left: -80px;
    top: 0px;
    transform: rotate(-80deg);
    z-index:0;
    opacity: 0;
    
    animation: leaf-2 0.5s ease-in-out 2s forwards;
    
}
 
@keyframes leaf-2 
{
    from
    {
        width: 180px ;
        opacity: 1;
    }
    to
    {
        width: 200px;
        opacity: 1;
    }
}




/* section_1-content to move */
  .section_1-content
{
    animation: section-1-content  1.5s ease-in-out 3s forwards;
}

 @keyframes section-1-content 
{
    from
    {
        top: 0px;
    }
    to
    {
        top: -150px;
    }
}
  
 
 .section_1 .wishes p:nth-of-type(1)
{
    position:  absolute ;
    top: 440px;
    left: 170px;
    transform: rotate(90deg) scale(0);
    font-family: Histea-Ballon;
    font-size: 60px;
    color: #fe7f99;
    text-shadow: 8px 8px 0px #000;
    
    animation: happy 0.8s ease-out 4s forwards;
    
}

 @keyframes happy
{
    0%
    {
        transform: rotate(90deg) scale(0);
    }
    70%
    {
        transform: rotate(90deg) scale(1.15);
    }
    100%
    {
        transform: rotate(90deg) scale(1);
    }
} 

 


 .section_1 .wishes p:nth-of-type(2)
{
    position:  absolute ;
    top: 500px;
    left: 70px;
    transform: rotate(90deg) scaley(1.5) scale(0);
    font-family: Histea-Ballon;
    font-size: 55px;
    font-weight: 300px;
    letter-spacing: -2px;
    color: #f9dc5c ;
    text-shadow: 8px 8px 0px #000;
    
    animation: birthday 0.8s ease-out 4s forwards;
    
}

 @keyframes birthday 
{
    0%
    {
        transform: rotate(90deg) scaley(1.5) scale(0);
    }
    70%
    {
        transform: rotate(90deg) scaley(1.5) scale(1.15);
    }
    100%
    {
        transform: rotate(90deg) scaley(1.5) scale(1);
    }
}


 .section_1 .wishes p:nth-of-type(3)
{
    position:  absolute ;
    top: 530px;
    left: 60px;
    transform: rotate(90deg) scale(0);
    font-family: wildflowers;
    font-size: 20px;
    font-weight: 900;
    color: white;
    word-spacing: -3px;
    
    animation: fav 0.8s ease-out 4s forwards;
    
}

 @keyframes fav 
{
    0%
    {
        transform: rotate(90deg) scale(0);
    }
    70%
    {
        transform: rotate(90deg) scale(1.15);
    }
    100%
    {
        transform: rotate(90deg) scale(1);
    }
}

 
.section_1 .butterfly_1 img
{
    position:  absolute;
    width: 60px;
    height: auto;
    top: 750px;
    left: 300px;
    z-index: 6;
    
    filter: drop-shadow(6px 6px 4px rgba(0, 0, 0, 1));
    
    animation: butterfly-1 2s ease-in-out forwards , 
    butterfly-1-1 0.5s ease-in-out 2s forwards , 
    butterfly-1-2 1s ease-in-out 2.5s forwards ,
    butterfly-1-3 0.5s ease-in-out 3.5s forwards ,
    butterfly-1-4 1s ease-in-out 4.5s forwards ,
    butterfly-1-5 1s ease-in-out 5.5s forwards ,
    butterfly-1-6 1s ease-in-out 6.5s forwards ,
    butterfly-1-7 1s ease-in-out 7.5s forwards ,
    butterfly-1-8 1s ease-in-out 8.5s forwards ;
     
} 

@keyframes butterfly-1 
{
    0%
    {
        transform: translateY(0) ;
    }
    70%
    {
        transform: translateX(-20px) translateY(-380px) rotate(90deg) ;
    }
    100%
    {
        transform: translateX(30px) translateY(-380px) rotate(90deg) ;
    }
    
}
 
@keyframes butterfly-1-1
{
    from
    {
        transform: translateX(30px) translateY(-380px) rotate(90deg) ;
    }
    to
    {
        transform: translateX(30px) translateY(-380px) rotate(40deg) ;
    }
    
}

@keyframes butterfly-1-2
{
    from
    {
        transform: translateX(30px) translateY(-380px) rotate(40deg) ;
    }
    to
    {
        transform: translateX(30px) translateY(-550px) rotate(40deg) ;
    }
    
}

@keyframes butterfly-1-3
{
    from
    {
        transform: translateX(30px) translateY(-550px) rotate(40deg) ;
    }
    to
    {
        transform: translateX(30px) translateY(-550px) rotate(-25deg) ;
    }
    
}

@keyframes butterfly-1-4
{
    from
    {
        transform: translateX(30px) translateY(-550px) rotate(-25deg) ;
    }
    to
    {
        transform: translateX(-100px) translateY(-550px) rotate(25deg) ;
    }
    
}

 @keyframes butterfly-1-5
{
    from
    {
        transform: translateX(-100px) translateY(-550px) rotate(25deg) ;
    }
    to
    {
        transform: translateX(-100px) translateY(-600px) rotate(-70deg) ;
    }
    
} 

@keyframes butterfly-1-6
{
    from
    {
        transform: translateX(-100px) translateY(-600px) rotate(-70deg) ;
    }
    to
    {
        transform: translateX(-200px) translateY(-600px) rotate(-120deg) ;
    }
    
}

@keyframes butterfly-1-7
{
    from
    {
        transform: translateX(-200px) translateY(-600px) rotate(-120deg) ;
    }
    to
    {
        transform: translateX(-270px) translateY(-550px) rotate(-120deg) ;
    }
    
}

@keyframes butterfly-1-8
{
    from
    {
        transform: translateX(-270px) translateY(-550px) rotate(-120deg) ;
    }
    to
    {
        transform: translateX(-260px) translateY(-550px) rotate(-220deg) ;
    }
    
} 

.section_1 .butterfly_2 img
{
    position:  absolute;
    width: 120px;
    height: auto;
    top: 250px;
    left: -100px;
    z-index: 6;
    
    filter: drop-shadow(6px 6px 4px rgba(0, 0, 0, 1));
    
    
    animation: butterfly-2 6s ease-out forwards;
 }
 
 @keyframes butterfly-2
{
    0%
    {
        transform: translateX(0px) translateY(0px) rotate(0deg) ;
    }
    10%
    {
        transform: translateX(50px) translateY(0px) rotate(0deg) ;
    }
    20%
    {
        transform: translateX( 100px) translateY( 0px) rotate(0deg) ;
    }
    30%
    {
        transform: translateX(100px) translateY(50px) rotate(0deg) ;
    }
    40%
    {
        transform: translateX( 100px) translateY( 100px) rotate(0deg) ;
    }
    50%
    {
        transform: translateX(150px) translateY(-50px) rotate(0deg) ;
    }
    60%
    {
        transform: translateX( 200px) translateY( -100px) rotate(0deg) ;
    }
    70%
    {
        transform: translateX(250px) translateY(50px) rotate(0deg) ;
    }
    80%
    {
        transform: translateX( 300px) translateY( 100px) rotate(0deg) ;
    }
    90%
    {
        transform: translateX(350px) translateY(-135px) rotate(0deg) ;
    }
    100%
    {
        transform: translateX( 400px) translateY( -250px) rotate(0deg) ;
    }
}


.section_1 .butterfly_3 img
{
    position:  absolute;
    width: 90px;
    height: auto;
    top: 770px;
    left: 215px;
    
    
    filter: drop-shadow(6px 6px 4px rgba(0, 0, 0, 1));
    
    
    animation: butterfly-3 1s ease-out 4s forwards;
 }
 
 
 @keyframes butterfly-3
 {
     from
     {
         top: 750px;
     }
     to
     {
         top: 550px;
     }
 }