Blur Background Pure CSS

#1.Blurred Background CSS

See the Pen Blurred Background CSS by Rian Ariona (@ariona) on CodePen.

#2.Transparent Background with background running

See the Pen Transparent Background with background running by Myscript2010 (@Myscript2010) on CodePen.

#3.Blurred Background CSS

See the Pen Blurred Background CSS by Bryan MIller (@bryanpaulmiller) on CodePen.