Various colour, contrast and legibility improvements.

res/img/icons-close.svg

@@ -75,22 +75,22 @@
 				<g
    id="icons_create_room"
    transform="translate(20,18)">
-					
+
 					<path
    id="Line"
    class="st1"
    d="M -2.5,28.5 4.6,21.4"
-   style="fill:none;stroke:#9fa9ba;stroke-width:2;stroke-linecap:round;stroke-opacity:1"
+   style="fill:none;stroke:#454545;stroke-width:2;stroke-linecap:round;stroke-opacity:1"
    inkscape:connector-curvature="0" />
 					<path
    id="Line_1_"
    class="st1"
    d="m -2.5,21.5 7.1,7.1"
-   style="fill:none;stroke:#9fa9ba;stroke-width:2;stroke-linecap:round;stroke-opacity:1"
+   style="fill:none;stroke:#454545;stroke-width:2;stroke-linecap:round;stroke-opacity:1"
    inkscape:connector-curvature="0" />
 				</g>
 			</g>
 		</g>
 	</g>
 </g>
-</svg>
+</svg>

res/img/topleft-chevron.svg

@@ -64,7 +64,7 @@
     <g
        id="matrix-my-stuff-no-lines-message-context-menu-smaller-icons"
        transform="translate(-203,-25)"
-       style="stroke:#212121;stroke-width:1.29999995">
+       style="stroke:#61708b;stroke-width:1.6">
       <g
          id="Group-3"
          transform="translate(128,15)">