- display
display:none;
- visibility
visibility:hidden;
- opacity
opacity:0;
- position:absolute
top:-9999px;
left:-9999px;
- clip-path
clip-path:circle(0);//polygon&ellipse both valid
display:none;
visibility:hidden;
opacity:0;
top:-9999px;
left:-9999px;
clip-path:circle(0);//polygon&ellipse both valid