.login-form-block{
    width: 400px;
    height: 400px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 200px;
    background: #fff;
    padding: 30px;
    border-radius: 20px;   
}

.login-form-block h1{
    text-align: center;
}
.alert-error{
    color: red;
    text-align: center;
}
.alert-success{
    color: green;
    text-align: center;
    background: #fff;
}
.logo{
    width: 50px;
    height: 50px;
}