.row-login{
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 50px 0px 50px 0px;
}
.form-login{
    width: 25%;
    padding: 20px;
    box-shadow: 0px 0px 8px 3px rgb(135, 135, 135);
    border-radius: 20px;
    background-color:  rgb(238, 238, 238);
}
.back-web-grupo-prime{
    text-decoration: none;
    font-weight: 800;
    padding: 5px;
}

@media only screen and (max-width: 600px) {
.logo{
    display: flex;
    justify-content: center;
}
.form-login{
    width: 100%;
}
.back-web-grupo-prime{
    padding-bottom: 50px;
}
}