diff --git a/403.html b/403.html
new file mode 100644
index 0000000..e116b38
--- /dev/null
+++ b/403.html
@@ -0,0 +1,23 @@
+<!-- Copyright © 2023 Lilium_Snow -->
+<!-- The code herein is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License, and may only be used in compliance with the aformentioned license. -->
+<!-- You may get a copy of the license at https://creativecommons.org/licenses/by-sa/4.0/legalcode -->
+
+
+<!DOCTYPE html>
+
+<html lang="en-US">
+    <head>
+        <title>Unauthorized - Snowcake</title>
+        <link rel="icon" type="image/x-icon" href="/assets/images/favicon.png">
+        <link rel="stylesheet" href="/main_theme.css">
+        <meta charset="UTF-8">
+    </head>
+    <body>
+        <h1>403 - Unauthorized</h1>
+        <img src="/assets/images/403.svg" width="20%" height="20%">
+        <h3>It looks like you don't have permission to access this resource.</h3>
+        <div>
+            <a href="/" class="button">🏠 Back to Home</a>
+        </div>
+    </body>
+</html>
diff --git a/assets/images/403.svg b/assets/images/403.svg
new file mode 100644
index 0000000..72567ce
--- /dev/null
+++ b/assets/images/403.svg
@@ -0,0 +1,154 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="512mm"
+   height="512mm"
+   viewBox="0 0 512 512"
+   version="1.1"
+   id="svg5"
+   inkscape:version="1.2.2 (b0a8486541, 2022-12-01)"
+   sodipodi:docname="403.svg"
+   xml:space="preserve"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:dc="http://purl.org/dc/elements/1.1/"><title
+     id="title1155">Stop Symbol</title><sodipodi:namedview
+     id="namedview7"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="mm"
+     showgrid="false"
+     inkscape:zoom="0.25"
+     inkscape:cx="886"
+     inkscape:cy="1038"
+     inkscape:window-width="1920"
+     inkscape:window-height="1029"
+     inkscape:window-x="0"
+     inkscape:window-y="27"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1" /><defs
+     id="defs2"><inkscape:path-effect
+       effect="skeletal"
+       id="path-effect299"
+       is_visible="true"
+       lpeversion="1"
+       pattern="M 0,4.9921382 C 0,2.2364779 2.2364779,0 4.9921382,0 c 2.7556603,0 4.9921383,2.2364779 4.9921383,4.9921382 0,2.7556603 -2.236478,4.9921383 -4.9921383,4.9921383 C 2.2364779,9.9842765 0,7.7477985 0,4.9921382 Z"
+       copytype="single_stretched"
+       prop_scale="0.39504532"
+       scale_y_rel="false"
+       spacing="0"
+       normal_offset="0"
+       tang_offset="0"
+       prop_units="false"
+       vertical_pattern="false"
+       hide_knot="false"
+       fuse_tolerance="0" /><inkscape:path-effect
+       effect="skeletal"
+       id="path-effect3767"
+       is_visible="true"
+       lpeversion="1"
+       pattern="M 0,4.9921382 C 0,2.2364779 2.2364779,0 4.9921382,0 c 2.7556603,0 4.9921383,2.2364779 4.9921383,4.9921382 0,2.7556603 -2.236478,4.9921383 -4.9921383,4.9921383 C 2.2364779,9.9842765 0,7.7477985 0,4.9921382 Z"
+       copytype="single_stretched"
+       prop_scale="0.4881943"
+       scale_y_rel="false"
+       spacing="0"
+       normal_offset="0"
+       tang_offset="0"
+       prop_units="false"
+       vertical_pattern="false"
+       hide_knot="false"
+       fuse_tolerance="0" /><inkscape:path-effect
+       effect="skeletal"
+       id="path-effect776"
+       is_visible="true"
+       lpeversion="1"
+       pattern="M 0,4.9921382 C 0,2.2364779 2.2364779,0 4.9921382,0 c 2.7556603,0 4.9921383,2.2364779 4.9921383,4.9921382 0,2.7556603 -2.236478,4.9921383 -4.9921383,4.9921383 C 2.2364779,9.9842765 0,7.7477985 0,4.9921382 Z"
+       copytype="single_stretched"
+       prop_scale="1.7433941"
+       scale_y_rel="false"
+       spacing="0"
+       normal_offset="0"
+       tang_offset="0"
+       prop_units="false"
+       vertical_pattern="false"
+       hide_knot="false"
+       fuse_tolerance="0" /><inkscape:path-effect
+       effect="skeletal"
+       id="path-effect662"
+       is_visible="true"
+       lpeversion="1"
+       pattern="M 0,4.9921382 C 0,2.2364779 2.2364779,0 4.9921382,0 c 2.7556603,0 4.9921383,2.2364779 4.9921383,4.9921382 0,2.7556603 -2.236478,4.9921383 -4.9921383,4.9921383 C 2.2364779,9.9842765 0,7.7477985 0,4.9921382 Z"
+       copytype="single_stretched"
+       prop_scale="0.47228243"
+       scale_y_rel="false"
+       spacing="0"
+       normal_offset="0"
+       tang_offset="0"
+       prop_units="false"
+       vertical_pattern="false"
+       hide_knot="false"
+       fuse_tolerance="0" /><inkscape:path-effect
+       effect="skeletal"
+       id="path-effect629"
+       is_visible="true"
+       lpeversion="1"
+       pattern="M 0,4.9921382 C 0,2.2364779 2.2364779,0 4.9921382,0 c 2.7556603,0 4.9921383,2.2364779 4.9921383,4.9921382 0,2.7556603 -2.236478,4.9921383 -4.9921383,4.9921383 C 2.2364779,9.9842765 0,7.7477985 0,4.9921382 Z"
+       copytype="single_stretched"
+       prop_scale="1"
+       scale_y_rel="false"
+       spacing="0"
+       normal_offset="0"
+       tang_offset="0"
+       prop_units="false"
+       vertical_pattern="false"
+       hide_knot="false"
+       fuse_tolerance="0" /><inkscape:perspective
+       sodipodi:type="inkscape:persp3d"
+       inkscape:vp_x="0 : 256 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_z="512 : 256 : 1"
+       inkscape:persp3d-origin="256 : 170.66667 : 1"
+       id="perspective626" /></defs><g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"><path
+       sodipodi:type="star"
+       style="opacity:1;fill:#ff0000;fill-opacity:1;stroke:#ffffff;stroke-width:12;stroke-dasharray:none;stroke-opacity:1"
+       id="path566"
+       inkscape:flatsided="true"
+       sodipodi:sides="8"
+       sodipodi:cx="169.84167"
+       sodipodi:cy="204.95721"
+       sodipodi:r1="147.43837"
+       sodipodi:r2="136.21529"
+       sodipodi:arg1="1.134464"
+       sodipodi:arg2="1.5271631"
+       inkscape:rounded="0"
+       inkscape:randomized="0"
+       d="m 232.15182,338.58176 -112.73704,4.9222 -83.197647,-76.2366 -4.922207,-112.73704 76.236604,-83.197647 112.73704,-4.922207 83.19765,76.236594 4.9222,112.73704 z"
+       inkscape:transform-center-y="2.1359002e-06"
+       transform="matrix(1.4150683,0.06188712,-0.06188712,1.4150683,28.346649,-44.539462)"
+       inkscape:transform-center-x="-6.2414782e-06" /><path
+       style="fill:#ffffff;stroke-width:1.41642"
+       d="m 246.33296,391.73351 c -6.27785,-0.47392 -14.55083,-2.17234 -19.94185,-4.09408 -4.20156,-1.4977 -11.74861,-5.5148 -15.2964,-8.14181 -16.9523,-12.5527 -28.04216,-34.26974 -32.18142,-63.02027 -1.66458,-11.56188 -1.68775,-16.00044 -0.41394,-79.26203 1.10089,-54.67312 1.23178,-58.88423 1.93045,-62.10195 0.81948,-3.77419 1.72719,-5.44673 3.6646,-6.75234 1.90081,-1.28094 3.99565,-1.71363 7.14864,-1.47655 4.75364,0.35744 6.88825,1.32041 9.14686,4.12634 l 1.15907,1.43995 0.18738,34.16239 c 0.15523,28.29945 0.27722,34.32051 0.71085,35.08377 1.66178,2.92496 6.07742,3.81628 9.24966,1.86707 2.34763,-1.44252 2.20169,1.51063 2.40661,-48.69673 l 0.18738,-45.90826 1.0177,-1.92958 c 1.95079,-3.69878 5.08495,-5.37826 10.0365,-5.37826 4.0025,0 6.44914,0.80672 8.41807,2.77565 3.14822,3.14821 2.97209,-0.0164 2.66028,47.80084 -0.3071,47.09382 -0.44818,44.23741 2.27657,46.09701 1.99322,1.36032 5.52776,1.52787 7.60488,0.36045 3.05997,-1.71981 2.77822,3.68596 2.93817,-56.37235 l 0.14271,-53.59088 0.94217,-2.52923 c 1.07909,-2.89682 2.6463,-4.44943 5.36222,-5.31227 5.45482,-1.73298 10.6657,-0.62331 13.21376,2.81391 0.39492,0.53274 1.05734,2.47213 1.47206,4.30976 0.73934,3.27623 0.75156,4.35735 0.62895,55.62037 l -0.12507,52.27922 0.8842,1.54286 c 2.33883,4.08113 8.99458,4.11043 11.32025,0.0499 l 0.91221,-1.5927 -0.11785,-44.91834 c -0.11657,-44.44167 -0.10963,-44.94527 0.65354,-47.4579 0.56312,-1.85393 1.23012,-3.04984 2.47054,-4.42948 2.36594,-2.6315 4.07112,-3.22641 8.51803,-2.97187 5.00667,0.28655 7.64888,1.67071 9.38512,4.91641 l 0.82679,1.54561 0.0875,78.13773 c 0.0956,85.32774 -0.0456,79.99973 2.17556,82.08643 1.13376,1.06508 4.76936,1.47082 6.55434,0.73147 1.29841,-0.53784 2.44026,-1.97957 2.83437,-3.57872 0.1493,-0.6058 5.11653,-12.85507 11.03833,-27.22057 10.00931,-24.2815 10.9214,-26.32428 12.96379,-29.03455 2.41949,-3.2107 4.07563,-4.36602 7.19373,-5.01827 5.09128,-1.06501 13.09634,2.32587 15.27123,6.46878 0.31119,0.59281 0.53125,2.09624 0.53125,3.62965 0,2.39916 -0.51844,4.14472 -6.21074,20.91155 -3.41586,10.06163 -10.34394,30.52048 -15.39567,45.4641 -5.05175,14.94362 -9.78267,28.7723 -10.51319,30.73044 -7.38669,19.7997 -22.40147,33.66612 -44.22048,40.83842 -10.70108,3.51765 -22.16386,5.29474 -33.46501,5.18812 -3.60707,-0.0342 -7.31722,-0.11912 -8.24474,-0.18915 z"
+       id="path1122" /></g><metadata
+     id="metadata1138"><rdf:RDF><cc:Work
+         rdf:about=""><cc:license
+           rdf:resource="http://creativecommons.org/licenses/by-sa/4.0/" /><dc:title>Stop Symbol</dc:title><dc:date>2023-03-10</dc:date><dc:creator><cc:Agent><dc:title>Primrose (Lilium_Snow)</dc:title></cc:Agent></dc:creator><dc:rights><cc:Agent><dc:title>CC-BY-SA</dc:title></cc:Agent></dc:rights><dc:publisher><cc:Agent><dc:title>Primrose (Lilium_Snow)</dc:title></cc:Agent></dc:publisher><dc:source>https://snowcake.me</dc:source></cc:Work><cc:License
+         rdf:about="http://creativecommons.org/licenses/by-sa/4.0/"><cc:permits
+           rdf:resource="http://creativecommons.org/ns#Reproduction" /><cc:permits
+           rdf:resource="http://creativecommons.org/ns#Distribution" /><cc:requires
+           rdf:resource="http://creativecommons.org/ns#Notice" /><cc:requires
+           rdf:resource="http://creativecommons.org/ns#Attribution" /><cc:permits
+           rdf:resource="http://creativecommons.org/ns#DerivativeWorks" /><cc:requires
+           rdf:resource="http://creativecommons.org/ns#ShareAlike" /></cc:License></rdf:RDF></metadata></svg>
