diff --git a/icons/circle/48/qtox.svg b/icons/circle/48/qtox.svg
index e986b2b3e9..4b46fc34b6 100644
--- a/icons/circle/48/qtox.svg
+++ b/icons/circle/48/qtox.svg
@@ -11,6 +11,6 @@
  <path d="m24 1c12.7 0 23 10.3 23 23s-10.3 23-23 23-23-10.3-23-23 10.3-23 23-23z" style="fill:url(#linearGradient3764)"/>
  <path d="m40 7.53c3.71 4.08 5.97 9.51 5.97 15.5 0 12.7-10.3 23-23 23-5.95 0-11.4-2.26-15.5-5.97 4.18 4.29 10 6.97 16.5 6.97 12.7 0 23-10.3 23-23 0-6.46-2.68-12.3-6.97-16.5z" style="opacity:.1"/>
  <path d="m17 37c-1 0-2-1-2-2l10-24c3 0 6 2 6 5v4h2c1 0 2 1 2 2v13c0 1-1 2-2 2z" style="fill-opacity:.118"/>
- <path d="m16 36c-1 0-2-1-2-2v-13c0-1 1-2 2-2h2v-4c0-3 3-5 6-5 3-3.05e-4 6 2 6 5v4h2c1 0 2 1 2 2v13c0 1-1 2-2 2h-16z" style="fill:#474747"/>
+ <path d="m16 36c-1 0-2-1-2-2v-13c0-1 1-2 2-2h2v-4c0-3 3-5 6-5 3-3.05e-4 6 2 6 5v4h2c1 0 2 1 2 2v13c0 1-1 2-2 2h-16z" style="fill:#4c4c4c"/>
  <path d="m24 12c-2.21 0-4 1.57-4 3.5s1.79 3.5 4 3.5h1s0 1-1 2c3-1 4-3 4-5.5 0-1.96-1.79-3.5-4-3.5zm0 10c-1.66 0-3 1.3-3 2.9 0 1.18 0.733 2.19 1.78 2.64-1.18 0.467-2.78 1.48-2.78 3.46v1c0 0.731 0.442 1 1 1h6c0.551 0 1-0.389 1-1v-1c0-1.98-1.6-2.99-2.78-3.46 1.05-0.452 1.78-1.46 1.78-2.64 0-1.6-1.34-2.9-3-2.9z" style="fill:#f9f9f9"/>
 </svg>
diff --git a/icons/square/48/cerebro.svg b/icons/square/48/cerebro.svg
index ddc1a89dea..0d3b85c775 100644
--- a/icons/square/48/cerebro.svg
+++ b/icons/square/48/cerebro.svg
@@ -1,7 +1,6 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg width="48" height="48" version="1.1" viewBox="0 0 48 48" xmlns="http://www.w3.org/2000/svg">
+<svg version="1.1" viewBox="0 0 48 48" xmlns="http://www.w3.org/2000/svg">
  <defs>
-  <linearGradient id="linearGradient4217" x1="1" x2="47" gradientTransform="translate(-48 .00221)" gradientUnits="userSpaceOnUse">
+  <linearGradient id="bg" x1="1" x2="47" gradientTransform="translate(-48)" gradientUnits="userSpaceOnUse">
    <stop style="stop-color:#dcc5f7" offset="0"/>
    <stop style="stop-color:#e7d7f9" offset="1"/>
   </linearGradient>
@@ -9,10 +8,8 @@
  <path d="m1 43v0.25c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.25c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4zm0 0.5v0.5c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.5c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.02"/>
  <path d="m1 43.2v0.25c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.25c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.05"/>
  <path d="m1 43v0.25c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.25c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.1"/>
- <rect transform="rotate(-90)" x="-47" y="1" width="46" height="46" rx="4" style="fill:url(#linearGradient4217)"/>
- <g transform="translate(0 -1e3)">
-  <path d="m1 1043v4c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-4c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.1"/>
- </g>
+ <rect transform="rotate(-90)" x="-47" y="1" width="46" height="46" rx="4" style="fill:url(#bg)"/>
+ <path d="m1 39v4c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-4c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.1"/>
  <path d="m24.5 10-11.5 7v14l11.5 7 10.5-6.5-1.5-3.1-9 5.6-8.5-5v-10l8.5-5 9 5.5 1.5-3zm0 6.6-6.5 3.9v6.9l6.5 4 5.25-3.15-1.75-3.25-3.5 2.3-2.5-1.5v-3.6l2.5-1.5 3.5 2.3 1.75-3.25z" style="opacity:.1"/>
  <path d="m13 16 11.5-7 10.5 6.5-1.5 3-9-5.5-8.5 5v10l8.5 5 9-5.6 1.5 3.1-10.5 6.5-11.5-7z" style="fill:#555"/>
  <path d="m18 19.5 6.5-3.9 5.25 3.15-1.75 3.25-3.5-2.3-2.5 1.5v3.6l2.5 1.5 3.5-2.3 1.75 3.25-5.25 3.15-6.5-4z" style="fill:#7f58c9"/>
diff --git a/icons/square/48/qtox.svg b/icons/square/48/qtox.svg
index b049e5dd12..d0b13d1ad0 100644
--- a/icons/square/48/qtox.svg
+++ b/icons/square/48/qtox.svg
@@ -1,6 +1,6 @@
 <svg version="1.1" viewBox="0 0 48 48" xmlns="http://www.w3.org/2000/svg">
  <defs>
-  <linearGradient id="linearGradient4501" x1="-47" x2="-1" gradientUnits="userSpaceOnUse">
+  <linearGradient id="bg" x1="-47" x2="-1" gradientUnits="userSpaceOnUse">
    <stop style="stop-color:#58b620" offset="0"/>
    <stop style="stop-color:#60c823" offset="1"/>
   </linearGradient>
@@ -8,9 +8,9 @@
  <path d="m1 43v0.25c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.25c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4zm0 0.5v0.5c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.5c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.02"/>
  <path d="m1 43.3v0.25c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.25c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.05"/>
  <path d="m1 43v0.25c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.25c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.1"/>
- <rect transform="rotate(-90)" x="-47" y="1" width="46" height="46" rx="4" style="fill:url(#linearGradient4501)"/>
+ <rect transform="rotate(-90)" x="-47" y="1" width="46" height="46" rx="4" style="fill:url(#bg)"/>
  <path d="m1 39v4c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-4c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.1"/>
  <path d="m16 36c-1 0-2-1-2-2v-13h20v13c0 1-1 2-2 2z" style="fill-opacity:.118"/>
- <path d="m16 35c-1 0-2-1-2-2v-13c0-1 1-2 2-2h2v-4c0-3 3-5 6-5 3-3.05e-4 6 2 6 5v4h2c1 0 2 1 2 2v13c0 1-1 2-2 2h-16z" style="fill:#474747"/>
+ <path d="m16 35c-1 0-2-1-2-2v-13c0-1 1-2 2-2h2v-4c0-3 3-5 6-5 3-3.05e-4 6 2 6 5v4h2c1 0 2 1 2 2v13c0 1-1 2-2 2h-16z" style="fill:#4d4d4d"/>
  <path d="m24 11c-2.21 0-4 1.57-4 3.5s1.79 3.5 4 3.5h1s0 1-1 2c3-1 4-3 4-5.5 0-1.96-1.79-3.5-4-3.5zm0 10c-1.66 0-3 1.3-3 2.9 0 1.18 0.733 2.19 1.78 2.64-1.18 0.467-2.78 1.48-2.78 3.46v1c0 0.731 0.442 1 1 1h6c0.551 0 1-0.389 1-1v-1c0-1.98-1.6-2.99-2.78-3.46 1.05-0.452 1.78-1.46 1.78-2.64 0-1.6-1.34-2.9-3-2.9z" style="fill:#f9f9f9"/>
 </svg>
diff --git a/icons/square/48/trackma.svg b/icons/square/48/trackma.svg
index ed8ddf2a60..e1f2572dd2 100644
--- a/icons/square/48/trackma.svg
+++ b/icons/square/48/trackma.svg
@@ -1,6 +1,6 @@
-<svg width="48" height="48" version="1.1" viewBox="0 0 48 48" xmlns="http://www.w3.org/2000/svg">
+<svg version="1.1" viewBox="0 0 48 48" xmlns="http://www.w3.org/2000/svg">
  <defs>
-  <linearGradient id="linearGradient4217" x1="1" x2="47" gradientTransform="translate(-48 .00221)" gradientUnits="userSpaceOnUse">
+  <linearGradient id="bg" x1="1" x2="47" gradientTransform="translate(-48)" gradientUnits="userSpaceOnUse">
    <stop style="stop-color:#205b93" offset="0"/>
    <stop style="stop-color:#2465a3" offset="1"/>
   </linearGradient>
@@ -8,7 +8,7 @@
  <path d="m1 43v0.25c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.25c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4zm0 0.5v0.5c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.5c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.02"/>
  <path d="m1 43.2v0.25c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.25c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.05"/>
  <path d="m1 43v0.25c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.25c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.1"/>
- <rect transform="rotate(-90)" x="-47" y="1" width="46" height="46" rx="4" style="fill:url(#linearGradient4217)"/>
+ <rect transform="rotate(-90)" x="-47" y="1" width="46" height="46" rx="4" style="fill:url(#bg)"/>
  <path d="m1 39v4c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-4c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.1"/>
  <path d="m21 17c-0.154-1.71-0.295-3.42 1-6 3.87 1.56 4.34 2.14 7 5 4 2 7 6 7 10 0 6-8 9-12 9-3.49 0-8-3-9-7-2.74-1.57-4-3-5-5 2-3 6.23-4.79 11-6z" style="opacity:.1"/>
  <path d="m21 16c-0.154-1.71-0.295-3.42 1-6 3.87 1.56 4.34 2.14 7 5 4 2 7 6 7 10 0 6-8 9-12 9-3.49 0-8-3-9-7-2.74-1.57-4-3-5-5 2-3 6.23-4.79 11-6z" style="fill:#f9f9f9"/>
diff --git a/icons/square/48/translit.svg b/icons/square/48/translit.svg
index 673a8b9d2e..a5542f25c1 100644
--- a/icons/square/48/translit.svg
+++ b/icons/square/48/translit.svg
@@ -1,4 +1,4 @@
-<svg width="48" height="48" version="1.1" viewBox="0 0 48 48" xmlns="http://www.w3.org/2000/svg">
+<svg version="1.1" viewBox="0 0 48 48" xmlns="http://www.w3.org/2000/svg">
  <defs>
   <linearGradient id="linearGradient3840" x2="0" y1="47" y2="1" gradientUnits="userSpaceOnUse">
    <stop style="stop-color:#474747" offset="0"/>
diff --git a/icons/square/48/utox.svg b/icons/square/48/utox.svg
index a01becd118..53fcbba1ff 100644
--- a/icons/square/48/utox.svg
+++ b/icons/square/48/utox.svg
@@ -1,6 +1,6 @@
-<svg width="48" height="48" version="1.1" viewBox="0 0 48 48" xmlns="http://www.w3.org/2000/svg">
+<svg version="1.1" viewBox="0 0 48 48" xmlns="http://www.w3.org/2000/svg">
  <defs>
-  <linearGradient id="linearGradient4501" x1="-47" x2="-1" y1="2.88e-15" y2="6.12e-17" gradientUnits="userSpaceOnUse">
+  <linearGradient id="bg" x1="-47" x2="-1" y1="0" y2="0" gradientUnits="userSpaceOnUse">
    <stop style="stop-color:#cfcfcf" offset="0"/>
    <stop style="stop-color:#d9d9d9" offset="1"/>
   </linearGradient>
@@ -8,7 +8,7 @@
  <path d="m1 43v0.25c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.25c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4zm0 0.5v0.5c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.5c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.02"/>
  <path d="m1 43.3v0.25c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.25c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.05"/>
  <path d="m1 43v0.25c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-0.25c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.1"/>
- <rect transform="rotate(-90)" x="-47" y="1" width="46" height="46" rx="4" style="fill:url(#linearGradient4501)"/>
+ <rect transform="rotate(-90)" x="-47" y="1" width="46" height="46" rx="4" style="fill:url(#bg)"/>
  <path d="m1 39v4c0 2.22 1.78 4 4 4h38c2.22 0 4-1.78 4-4v-4c0 2.22-1.78 4-4 4h-38c-2.22 0-4-1.78-4-4z" style="opacity:.1"/>
  <path d="m16 36c-1 0-2-1-2-2v-13h20v13c0 1-1 2-2 2z" style="fill-opacity:.118"/>
  <path d="m16 35c-1 0-2-1-2-2v-13c0-1 1-2 2-2h2v-4c0-3 3-5 6-5 3-3.05e-4 6 2 6 5v4h2c1 0 2 1 2 2v13c0 1-1 2-2 2h-16z" style="fill:#4d4d4d"/>