improve UI on web client to include features from penguinmod client

static/arrows/left.svg

@@ -0,0 +1 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="24.39781" height="40.84766" viewBox="0,0,24.39781,40.84766"><g transform="translate(-383.10315,-227.43774)"><g fill="#59d1ff" stroke="none" stroke-width="0" stroke-miterlimit="10"><path d="M383.11376,235.59304c0.0417,-1.28124 0.28408,-3.05221 0.52072,-4.52665c0.06427,-0.40046 0.95106,-2.75365 1.55773,-2.75365c1.46906,0 7.96106,-0.875 14.92534,-0.875c9.3685,0 9.82235,7.18112 1.35686,7.18521c-3.8115,0.00185 -7.59051,0.64161 -9.6918,0.68055c-2.03349,0.03769 1.02447,24.24763 -0.13762,28.15481c-2.69245,9.05257 -7.94532,2.59519 -7.94532,2.59519c0,0 -0.68953,-27.27634 -0.58591,-30.46046z"/></g></g></svg><!--rotationCenter:41.89684967562516:12.562256428571374-->

static/arrows/right.svg

@@ -0,0 +1 @@
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="30.09294" height="45.84839" viewBox="0,0,30.09294,45.84839"><g transform="translate(-382.61101,-201.83478)"><g fill="#59d1ff" stroke="none" stroke-width="0" stroke-miterlimit="10"><path d="M383.20753,204.06668c0,0 5.25287,-6.45738 7.94532,2.59519c1.16209,3.90718 -1.89587,28.11712 0.13762,28.15481c2.10129,0.03894 5.8803,0.6787 9.6918,0.68055c8.46549,0.00409 8.01164,7.18521 -1.35686,7.18521c-6.96428,0 -13.45628,-0.875 -14.92534,-0.875c-0.60667,0 -1.49346,-2.35319 -1.55773,-2.75365c-0.23664,-1.47444 -0.47902,-3.24541 -0.52072,-4.52665c-0.10362,-3.18412 0.58591,-30.46046 0.58591,-30.46046z"/><path d="M412.70395,238.07506l-9.82048,9.60811l0.44465,-20.24512z"/></g></g></svg><!--rotationCenter:42.38899245042728:38.16522307833455-->