form.form-tracking{
    background-color: #fff; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); padding: 20px; border-radius: 8px; text-align: center; width: 80%; max-width: 400px; margin:45px 25px
}
@media (min-width: 776px){
	form.form-tracking{
        padding: 20px; 
         width: 80%; 
         max-width: 400px; 
         margin:3% 30%
    }
}