.demo-rim{border-radius:12px;position:relative;box-shadow:-30px -30px 90px -50px #615fff8c,0 50px 100px -40px #000000e6}.demo-rim:before{content:"";z-index:1;pointer-events:none;background:linear-gradient(150deg,#615fffe6,#615fff40 18%,#ffffff12 40%,#ffffff0a 75%,#615fff38);border-radius:13px;padding:1px;position:absolute;inset:-1px;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;mask-position:0 0,0 0;-webkit-mask-size:auto,auto;mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}