* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html,
body{
    background: rgb(255,255,255);
    background: linear-gradient(180deg, rgba(255,255,255,1) 10%, rgba(100,130,238,1) 100%);
    height: 100%;
}
.login-card {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 400px;
    max-width: 400px;
    height: 500px;
}
@media only screen and (max-width: 990px) {
    html,
    body{
        background: rgb(255,255,255);
        background: linear-gradient(180deg, rgba(255,255,255,1) 10%, rgba(100,130,238,1) 100%);
        height: 100%;
    }
    .login-card {
        background-color: rgba(255, 255, 255, 0.9);
        padding: 2rem;
        border-radius: 0.5rem;
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        width: 20rem;
        max-width: 20rem;
        height: 30rem;
    }
}

footer{
    width: 100;
    background-color: #20427e;
    height: 23rem;
    margin-top: 10rem;
}
footer .card-left3{
    width: 49%;
    margin-left: 2rem;
}
footer .card-right3{
    width: 49%;
    margin-top: 3rem
}
footer .card-center{
    width: 2%;
    border-left: 2px solid #fff;
}