CODE EXAMPLE FOR PYTHON

make django admin page text box smaller

from django.forms import TextInput, Textarea
from django.db import models

class YourModelAdmin(admin.ModelAdmin):
    formfield_overrides = {
        models.CharField: {'widget': TextInput(attrs={'size':'20'})},
        models.TextField: {'widget': Textarea(attrs={'rows':4, 'cols':40})},
    }