3 How do you align lines in Powerpoint?.2 How do I align text margins in Powerpoint?.Three pixels on a mobile phone take up a lot more screen real estate than three pixels on a large computer monitor. Like percentages, ems grow and shrink depending on screen size, whereas pixels are fixed. Because webpages can scroll off the bottom of the page, we can't really specify vertical layout in percentages, so I cheated and specified the vertical space in ems. margin-bottom is the whitespace below each graphic.You can play with this number if you need to. Since I don't know how wide your device's screen is, I made the margin 1%. margin-right is the whitespace to the right of each graphic.If you string a bunch of pictures together with float, and they're each 30% of the available space, they'll wrap around after the third image on each row. 30% restricts its width to 30% of the column.
float means "squeeze the picture as far to the left as it will fit if there's not enough line, wrap around until there is room." Basically, it makes a graphic behave exactly the way a letter of text does when you type it on a computer screen.(The line of code I gave you already says how you want the image to be displayed.) style ="blah" means "And here's how I want it to display on the page." Style is also used for font colors, sizes, and anything to do with layout or appearance.(Your image's URL replaces the word blah.) img src="blah" is the placeholder for "Stick an image here.
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