Hello, world! my nazanin

two column style

first row first col

first row second col

three column style

second row first col

second row second col

second row third col

four column with clear fix

third row first column

third row second column

third row third column

third row fourth column

two column with offset

.col-sm-5 .col-md-6

.col-sm-5 .col-sm-offset-2 .col-md-6 .col-md-offset-0

my sample

first col

second col

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my test background for last linekljkljhjkh