input[type="text"],
input[type="email"],
input[type="number"],
input[type="password"],
select[name="n[vehicle_id]"],
input[name="date_birth"],
input[type="checkbox"],
select[name="space"],
select[name="vehicle_type"],
textarea[name="des"],
textarea[name="inst"] {
    font-size: 16px;
}
        
input[type="text"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
select[name="n[vehicle_id]"]:focus,
input[name="date_birth"]:focus,
input[type="checkbox"]:focus,
select[name="space"]:focus,
select[name="vehicle_type"]:focus,
textarea[name="des"]:focus,
textarea[name="inst"]:focus{
    font-size: 16px;
    background: #eee;
}