#frame{color:#067;width:150px;height:150px;background:url(../textures/pat2.svg)}
#frame p:after{top:0;right:0;bottom:0;left:0;background:
linear-gradient(to bottom left,transparent calc(50% - 1px),currentColor calc(50% - 1px),currentColor calc(50% + 1px),transparent calc(50% + 1px)),
linear-gradient(to bottom right,transparent calc(50% - 1px),currentColor calc(50% - 1px),currentColor calc(50% + 1px),transparent calc(50% + 1px))100% 0,
linear-gradient(to left bottom,transparent calc(50% - 1px),currentColor calc(50% - 1px),currentColor calc(50% + 1px),transparent calc(50% + 1px))100% 100%,
linear-gradient(to right bottom,transparent calc(50% - 1px),currentColor calc(50% - 1px),currentColor calc(50% + 1px),transparent calc(50% + 1px))0 100%;
background-repeat:no-repeat;background-size:50px 50px}
.frm{top:-.25em;right:-.25em;bottom:-.25em;left:-.25em}
.frm:before{border-width:.25em;
border-image:-moz-element(#frame)50/.25em round;
border-image:element(#frame)50/.25em round;
filter:url(#diffused1)
}