*, *:before, *:after{
    padding: 0;
    margin: 0;
    border: 0;
}

body{
    background: black;
    }

img {
                display: block;
                margin: 0 auto;
                max-height: 96vh;
                width: auto;
                max-width: 100vw;
            }
#main{
    position: absolute;
}

#btn1{
                top:20vw;
                position:absolute;
                width: 10vw;
                height: 10vw;
                background: red;
                z-index: 2;
            }
.circle {
    position:absolute;
    /* left: 50px;
    top:200px; */
    /* padding-top: 5rem;
    padding-left: 20em; */
    opacity: 0.3;
    border-radius: 100%;
    width: 50px;
    height: 50px;
    /* transform: scale(0.1, 0.1) */
    animation: pulsing 8s infinite;
    animation-delay: calc(0.15s * var(--i));

    border: 3px solid white; 
    box-shadow: inset 0 -3em 3em rgba(0, 0, 0, 0.2), 0px 0px 17px black;
    }

    /* animation: run 2s linear infinite;
    animation-delay: calc(0.15s * var(--i)); */

    .circle:before {
        position: absolute;
        content: "";
        width: 10px;
        height: 10px;
    left: 20px;
    top: 20px;
    background: white;
    border-radius: 100%;
    box-shadow: 0px 0px 17px black;
    }
    
    @keyframes pulsing {
        0% {
            transform: scale(0.2, 0.2);
        }
        10% {
            transform: scale(0.8, 0.8);
        }
        15% {
            transform: scale(0.5, 0.5);
        }
        90% {
            transform: scale(0.5, 0.5);
        }
        100% {
            transform: scale(0.2, 0.2);
        }
    }
              


@media screen and (max-width : 1242px) {

    input{
                    width: 50px;
                    height: 50px;
                    margin: 15px;
            }
}