body {
    background-image: url(20230311_095038.png);
    background-color: #CFD3CE;
    background-repeat: no-repeat;
    background-size: 400px;
    background-position: top, center;
}

.div {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
}   
.div h3 {
    color: black;
    font-size: 15px;
    text-shadow: 1px 1px 10px #000dff;
}
.div #Ia {
    height: 40px;
    width: 250px;
    background-color: rgb(163, 171, 169);
    font-size: large;
    border-color: rgb(52, 98, 108);
    color: rgb(0, 0, 0);
    text-shadow: 0px 0px 5px #b34242;
    border-radius: 12px;
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
    cursor: pointer;
}