- client: Use the same tooltip style everywhere

Close #1866

Squashed commit of the following:

commit 3347832caa33b01a0155b212987f02dc4824ab08
Merge: 7766502d d794b11e
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Fri Jul 17 15:12:45 2020 +0300

    Merge branch 'master' into fix/1866

commit 7766502d4a904ad0a4d240481f7eabf0e25cfb62
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Fri Jul 17 12:16:59 2020 +0300

    Fix icon color classes

commit 90191bf74b5eb1855c733c226f7acb4e906c7ad9
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Fri Jul 17 11:46:22 2020 +0300

    Use logs icons, use pointer cursor, fix review markup formatting

commit 0ba50fcd956101f5054ce38c2329df3e8abdfcd2
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Thu Jul 16 18:05:30 2020 +0300

    Use help cursor on tooltips

commit bf4e14afe69f874d29be73d8cd4cfbe240ca0304
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Thu Jul 16 17:41:47 2020 +0300

    Use tooltip in logs, rename tooltip classes

commit 00568fdc8e8484c5bae67c51ee8189a3a558e219
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Thu Jul 16 17:01:49 2020 +0300

    - client: Use the same tooltip style everywhere

client/src/components/ui/Tabler.css

@@ -19,10 +19,13 @@ Dashboard UI
     --orange: #fd9644;
     --yellow: #f1c40f;
     --green: #5eba00;
+    --green-74: #66b574;
+    --green-86: #66b586;
     --teal: #2bcbba;
     --cyan: #17a2b8;
     --white: #fff;
     --gray: #868e96;
+    --gray-ac: #9aa0ac;
     --gray-dark: #343a40;
     --azure: #45aaf2;
     --lime: #7bd235;