.icon-lg{font-size:2rem}.icon-md{font-size:1.8rem}.icon-xl{font-size:1.5rem}.icon-sm{font-size:1.2rem}.icon-github{color:#333}.icon-arrow{color:#666}.icon-docker{color:#06c}.icon-server{color:teal}.icon-ubuntu{color:#e95420}.icon-system{color:#27ae60}.icon-shield{color:#6c757d}.icon-teal{color:teal!important}