Mastering TCP/IP Part 2: Transport, Internet and Network Layer – CompTIA Security+ Lesson 6

Last time we looked at the application layer. Today we are going to look at the other layers of TCP/IP and how they help the application layer do its job. Transport Layer This layer is responsible to establish session and datagram communication services for the application layer. It uses mainly TCP and UDP. TCP in … Continue reading Mastering TCP/IP Part 2: Transport, Internet and Network Layer – CompTIA Security+ Lesson 6

Mastering TCP/IP Part 1: Application Layer – CompTIA Security+ Lesson 5

A quick introduction to TCP/IP. We are going to look how it's built, the application layers and the protocols used in it. We all should be familiar with the term TCP/IP by now. You can go google it or check it out on wikipedia if you don't know what it is. But to summarize a … Continue reading Mastering TCP/IP Part 1: Application Layer – CompTIA Security+ Lesson 5

Horizontally center div elements with css

horizontally center div elements

Learn how to horizontally center div elements with margin in this post.  To horizontally center div elements (block elements) you need to set a width first: #centered-element{ width: 750px; } And then set the margin to 0 auto: #centered-element{ width: 750px; margin: 0 auto; } Since the element now has a known width, a browser … Continue reading Horizontally center div elements with css