JSFiddle - React, Tailwind, and code Playground
by basti1012
HTML
geht
<iframe width="30%" height="30%" frameborder="0" marginheight="0" marginwidth="0" height="1700px" src="http://www.pennergame.de"></iframe>
geht nicht
<iframe width="30%" height="30%" frameborder="0" marginheight="0" marginwidth="0" height="1700px" src="http://www.googel.de"></iframe>
CSS
iframe{
opacity: 0.6;
}
iframe:hover{
opacity: 1;
}
iframe{
transition:all 1s linear;
}