style.css

body {

        font-family: Arial, sans-serif;
        background-image: url(image2.jpg);
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover ;
        background-attachment: fixed;
   
}

.container {
    width: 300px;
    height: 200px;
border-radius: 15px;
margin: 70px auto;
text-align: center;
box-shadow: rgba(0, 0, 0, 0.3) 0px 19px 38px, rgba(0, 0, 0, 0.22) 0px 15px 12px;
background-color: transparent;
backdrop-filter: blur(8px);


}
input{
    width: 150px;
    border: 1px solid transparent;
    border-radius: 5px;
}
select{
    color: #0a133d;
    text-decoration: solid;
    border: 1px solid transparent;

}

input, select, button {
margin-bottom: 10px;
margin-top: 30px;
padding: 5px;
}

button {

    
    background-image: linear-gradient(-225deg, #473B7B 0%, #3584A7 51%, #30D2BE 100%);
background-size: cover;
color: #ffffff;

width: 100px;
border: 1px solid transparent;
border-radius: 2px;
}

#result {
margin-top: 10px;
font-weight: bold;
color: #054c6d;

}

@media only screen and (max-width: 768px) {
    .container {
        width: 300px;
        height: auto;
    }

    input, select, button {
        width: 70%;
        padding: 5px;
        font-size: 14px;
    }

    button {
        width: 60%;
        font-size: 14px;
    }
}