body{
    background-image:url(image/back1.png);
    background-size: 100%;
    background-repeat: no-repeat;
}
main{
    padding-top: 30px;
    padding-bottom: 30px;
}
h1 {
    color: aliceblue;
    font-size: 40px;
    font-style: italic;
    text-align: center;
    text-shadow: 10px;
    
}

#btn,#btn-help{
    display: inline-block;
    padding: 15px 16px;
    font-size: 20px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    outline: none;
    color: #fff;
    background-color: #523d0f;
    border: none;
    border-radius: 13px;
    box-shadow: 0 3px #999;
    margin-left: 15%;
    font-family: 'Times New Roman', Times, serif;
    font-style: italic;
}
#btn,#btn-help:hover {background-color: #523d0f}

#btn ,#btn-help:active {
  background-color: #523d0f;
  box-shadow: 0 2.5px #666;
  transform: translateY(2px);}
#btn-res{
    display:none;
    padding: 15px 16px;
    font-size: 20px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    outline: none;
    color: #fff;
    background-color: #ac0e03;
    border: none;
    border-radius: 13px;
    box-shadow: 0 3px #999;
    margin-left: 15%;
    margin-top: 1px;
    font-family: 'Times New Roman', Times, serif;
    font-style: italic;
    
}
#btn-res:hover {background-color: #ac0e03}

#btn-res:active {
  background-color: #ac0e03;
  box-shadow: 0 2.5px #666;
  transform: translateY(2px);}
  
#resultc{
    border: #fff 4px solid;
    background-color: #111;

}
h2{
    color: #fff;
    font-size: 20px;
    font-weight: bold;
    font-family: Georgia, 'Times New Roman', Times, serif;
    font-style: italic;
}
#resultc{
    color: rgb(146, 236, 0);
}

img{
    margin-left: 10px;
}

#btn-help{
    margin-left: 75%;
}
#result{
    font-size: 25px;
    color: darkorange;
}

/* design*/

.confetti {
    display: none;
    justify-content: center;
    align-items: center;
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1000;
}
.confetti-piece {
    position: absolute;
    width: 10px;
    height: 30px;
    background: #ffd300;
    top: 0;
    opacity: 0;
} 
.confetti-piece:nth-child(1) {
    left: 7%;
    -webkit-transform: rotate(-40deg);
    -webkit-animation: makeItRain 1000ms infinite ease-out;
    -webkit-animation-delay: 182ms;
    -webkit-animation-duration: 1116ms;
}
.confetti-piece:nth-child(2) {
    left: 14%;
    -webkit-transform: rotate(4deg);
    -webkit-animation: makeItRain 1000ms infinite ease-out;
    -webkit-animation-delay: 161ms;
    -webkit-animation-duration: 1076ms;
}
.confetti-piece:nth-child(3) {
    left: 21%;
    -webkit-transform: rotate(-51deg);
    -webkit-animation: makeItRain 1000ms infinite ease-out;
    -webkit-animation-delay: 481ms;
    -webkit-animation-duration: 1103ms;
}
.confetti-piece:nth-child(4) {
    left: 28%;
    -webkit-transform: rotate(61deg);
    -webkit-animation: makeItRain 1000ms infinite ease-out;
    -webkit-animation-delay: 334ms;
    -webkit-animation-duration: 708ms;
}
.confetti-piece:nth-child(5) {
    left: 35%;
    -webkit-transform: rotate(-52deg);
    -webkit-animation: makeItRain 1000ms infinite ease-out;
    -webkit-animation-delay: 302ms;
    -webkit-animation-duration: 776ms;
}
.confetti-piece:nth-child(6) {
    left: 42%;
    -webkit-transform: rotate(38deg);
    -webkit-animation: makeItRain 1000ms infinite ease-out;
    -webkit-animation-delay: 180ms;
    -webkit-animation-duration: 1168ms;
}
.confetti-piece:nth-child(7) {
    left: 49%;
    -webkit-transform: rotate(11deg);
    -webkit-animation: makeItRain 1000ms infinite ease-out;
    -webkit-animation-delay: 395ms;
    -webkit-animation-duration: 1200ms;
}
.confetti-piece:nth-child(8) {
    left: 56%;
    -webkit-transform: rotate(49deg);
    -webkit-animation: makeItRain 1000ms infinite ease-out;
    -webkit-animation-delay: 14ms;
    -webkit-animation-duration: 887ms;
}
.confetti-piece:nth-child(9) {
    left: 63%;
    -webkit-transform: rotate(-72deg);
    -webkit-animation: makeItRain 1000ms infinite ease-out;
    -webkit-animation-delay: 149ms;
    -webkit-animation-duration: 805ms;
}
.confetti-piece:nth-child(10) {
    left: 70%;
    -webkit-transform: rotate(10deg);
    -webkit-animation: makeItRain 1000ms infinite ease-out;
    -webkit-animation-delay: 351ms;
    -webkit-animation-duration: 1059ms;
}
.confetti-piece:nth-child(11) {
    left: 77%;
    -webkit-transform: rotate(4deg);
    -webkit-animation: makeItRain 1000ms infinite ease-out;
    -webkit-animation-delay: 307ms;
    -webkit-animation-duration: 1132ms;
}
.confetti-piece:nth-child(12) {
    left: 84%;
    -webkit-transform: rotate(42deg);
    -webkit-animation: makeItRain 1000ms infinite ease-out;
    -webkit-animation-delay: 464ms;
    -webkit-animation-duration: 776ms;
}
.confetti-piece:nth-child(13) {
    left: 91%;
    -webkit-transform: rotate(-72deg);
    -webkit-animation: makeItRain 1000ms infinite ease-out;
    -webkit-animation-delay: 429ms;
    -webkit-animation-duration: 818ms;  
    
}
.confetti-piece:nth-child(odd) {
    background: #7431e8;
}
.confetti-piece:nth-child(even) {
    z-index: 1;
}
.confetti-piece:nth-child(4n) {
    width: 5px;
    height: 12px;
    -webkit-animation-duration: 2000ms;
}
.confetti-piece:nth-child(3n) {
    width: 3px;
    height: 10px;
    -webkit-animation-duration: 2500ms;
    -webkit-animation-delay: 1000ms;
}
.confetti-piece:nth-child(4n-7) {
  background: red;
}
@-webkit-keyframes makeItRain {
    from {opacity: 0;}
    50% {opacity: 1;}
    to {-webkit-transform: translateY(350px);}
}

/* scond HTML*/
.ins{
    font-size: 35px;
    color: #fdd51f;
    font-style: italic;
    margin-left: 25%;
    font-weight: bold;
}

/*footer*/

footer{
    position:absolute;
    bottom: -570px;
    left: 0;
    right: 0;
    background: #111;
    height: auto;
    width: 100vw;

    color: #fff;
    
}
.footer-content{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
}
.footer-content h3{
    font-size: 2.1rem;
    font-weight: 500;
    text-transform: capitalize;
    line-height: 3rem;
}
.footer-content p{
    max-width: 500px;
    margin: 10px auto;
    line-height: 28px;
    font-size: 14px;
    color: #cacdd2;
}
.socials{
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1rem 0 3rem 0;
}
.socials li{
    margin: 0 10px;
}
.socials a{
    text-decoration: none;
    color: #fff;
    border: 1.1px solid white;
    padding: 5px;

    border-radius: 50%;

}
.socials a i{
    font-size: 1.1rem;
    width: 20px;


    transition: color .4s ease;

}
.socials a:hover i{
    color: aqua;
}