html - Positioning rotated div elements -


i having difficulty positioning rotated div element. far have:

#side-banner { transform: rotate(270deg); }

which rotates div fine. however, having trouble "pinning" left side. (ie along lines as: position fixed, left 0px, height 100%, width: whatever).

if mean want banner rotated , fixed on left side of browserwindow, can use transform-origin property. default set 50% 50%. that's 50% of width , height of element (the center of element).

you can try setting origin 0% 0%. that's upper-left corner of banner , rotate around corner. banner rotated, origin has become left-bottom corner of banner. can position fixed on left side of browserwindow this:

#side-banner {     poition:fixed;     left:0;     top:50%;     width:300px; /* after rotation height */     margin-top:150px; /* 50% of width */     transform: rotate(270deg);     transform-origin:0% 0%; /* set upper-left corner */     -ms-transform: rotate(270deg); /* ie 9 */     -ms-transform-origin:0% 0%; /* ie 9 */     -webkit-transform: rotate(270deg); /* safari , chrome */     -webkit-transform-origin:0% 0%; /* safari , chrome */ }

edit:
if want banner same height browserwindow after rotation, can done javascript or jquery. this:

var width = $(window).height(); var margintop = math.round(width / 2);  $('#side-banner').css({     'width': width,     'margin-top': margintop });

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