.form-login{
    border-radius:10px;
    border:solid 1px silver;
    margin: 20px auto auto auto;
    
    padding:50px 15px 50px 15px;
    background-image: linear-gradient(#F7F7F7, #F0F0F0);
    max-width:330px;
    text-align:"center";
}
.my-logo{
    background-image: url("../images/logo.png");
}
.btn {
    width:100%;
    background: linear-gradient(steelblue, blue);
}
input {
    margin-top:15px;
}
@media (max-width: 560px){
    .col-left{
        visible:false;
    }
}