@font-face {
    font-family: vazir;
    src: url(./Vazir-Bold.ttf);
    src: url(./Vazir-Bold.woff);
  }
  body {
    display: flex;
    position: relative;
    height: 100vh;
    justify-content: center;
    align-items: center;
    background-image: url(./Asset\ 1.png);
    background-size: cover;
    background-repeat: no-repeat;
    background-origin: border-box;
    background-attachment: fixed;
    background-position: top;
}
button#jsstyle {
    padding: 40px;
    color: white;
    border: none;
    background-color: #bd0000;
    box-shadow: 1px 2px 20px rgb(0 0 0 / 52%);
    border-radius: 10px;
    font-size: 40px;
    font-weight: bolder;
    font-family: 'vazir';
}

  @media only screen and (max-width: 850px) {
    img {
        width: 80%;
        display: block;
        height: auto;
        box-shadow: 0px 13px 17px rgb(0 0 0 / 30%);
    }
  }