body {
    background: url(../imagenes/grey_background.jpg);
    background-size: cover;
    font-family: Montserrat;
}
@media only screen and (min-device-width: 480px) {
    body {
        background: url('../imagenes/grey_background.jpg') no-repeat fixed center center;
    }
}
.logo {
    width: 213px;
    height: 60px;
    margin: 30px auto;
}
.login-block {
    width: 320px;
    padding: 20px;
    background: #fff;
    border-radius: 5px;
    border-top: 5px solid #bdb035;
    margin: 0 auto;
}
.login-block h1 {
    text-align: center;
    color: #000;
    font-size: 18px;
    text-transform: uppercase;
    margin-top: 0;
    margin-bottom: 20px;
}
.login-block input {
    width: 100%;
    height: 42px;
    box-sizing: border-box;
    border-radius: 5px;
    border: 1px solid #ccc;
    margin-bottom: 20px;
    font-size: 14px;
    font-family: Montserrat;
    padding: 0 20px 0 50px;
    outline: none;
}
.login-block input#user {
    background: #fff url('../imagenes/login_username.png') 20px top no-repeat;
    background-size: 16px 80px;
}
.login-block input#user:focus {
    background: #fff url('../imagenes/login_username.png') 20px bottom no-repeat;
    background-size: 16px 80px;
}
.login-block input#password {
    background: #fff url('../imagenes/login_password.png') 20px top no-repeat;
    background-size: 16px 80px;
}
.login-block input#password:focus {
    background: #fff url('../imagenes/login_password.png') 20px bottom no-repeat;
    background-size: 16px 80px;
}
.login-block input:active, .login-block input:focus {
    border: 1px solid #bdb035;
}
.login-block #loginButon {
    width: 100%;
    height: 40px;
    background: #bdb035;
    box-sizing: border-box;
    border-radius: 5px;
    border: 1px solid #6d661c;
    color: #fff;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 14px;
    font-family: Montserrat;
    outline: none;
    cursor: pointer;
}
.login-block button:hover {
    background: #c7b935;
    border: 1px solid #6d661c;
}