1.
2.
3.
4.
<style>
1. css
2. html
3. ajax
4. php
css
1. True
2. False
True
1. opaque()
2. scatter()
3. blur()
4. all of the mentioned
blur()
1. contrast()
2. dark()
3. light()
4. brightness()
brightness()
1. contrast()
2. dark()
3. light()
4. brightness()
contrast()
1. create()
2. DOM()
3. custom()
4. none of the mentioned
custom()
1. image()
2. flip()
3. invert()
4. contrast()
invert()
1. matrix()
2. matrix2d()
3. matrix3d()
4. perspective
matrix()
1. grayscale()
2. sepia()
3. contrast()
4. brightness()
sepia()