Wordpress themes design error
i need help here. First i already install ubuntu + LAMP + Wordpress.
i follow this tutorials : https://www.digitalocean.com/community/tutorials/how-to-install-wordpress-on-ubuntu-14-04 step by step
after the installation is finish, i'm confused because any themes that i used it's not work properly. i have no idea why this themes that i already installed in my website seems like corrupt? even the default wordpress themes is not work properly ( the design is bad,like something corrupt) is there any chance i forget something to install? like php module or what? need help here,thanks before :)