Use sandbox attribute. <iframe src="Site_URL" sandbox=""> - Full Protection. <iframe src="Site_URL" sandbox="allow-forms allow-scripts"> - Allow form submission and scripts to run. For additional attributes, check https://www.w3schools.com/tags/att_iframe_sandbox.asp.
The difference is not between <span> and <div> specifically, but between inline and block elements. <span> defaults to being display:inline; whereas <div> defaults to being display:block;. But these can be ....
Sample Code: <!DOCTYPE html> <html> <head> <style> .button { color:white; font-size:12px; font-weight:bold; border:outset; text-align:center; border-color:black; background-color: black; } </style> </head> <body> <button class="button">Sample Button</button> </body> </html>
<!DOCTYPE html> <html> <head> <style> .overFlowCls { overflow:scroll; width: 200px; height: 65px; } </style> ....