Fix Pisces sidebar width

source/css/_common/outline/footer/footer.styl

@@ -15,17 +15,8 @@
 
 .footer-inner {
   box-sizing: border-box;
-  margin: 0 auto;
   text-align: center;
-  width: $content-desktop;
-
-  +desktop-large() {
-    width: $content-desktop-large;
-  }
-
-  +desktop-largest() {
-    width: $content-desktop-largest;
-  }
+  main-container();
 }
 
 @keyframes iconAnimate {

source/css/_schemes/Pisces/_layout.styl

@@ -10,10 +10,6 @@
   box-shadow: $box-shadow-inner;
   width: $sidebar-desktop;
 
-  +desktop-large() {
-    width: $sidebar-desktop;
-  }
-
   +tablet-mobile() {
     border-radius: initial;
     width: auto;

source/css/_schemes/Pisces/_sidebar.styl

@@ -5,6 +5,7 @@
   margin-top: $sidebar-offset;
   position: sticky;
   top: $sidebar-offset;
+  width: $sidebar-desktop;
 
   +tablet-mobile() {
     display: none;

source/css/_variables/Pisces.styl

@@ -63,5 +63,6 @@ $btn-default-hover-color      = white;
 
 // Back to top
 $b2t-opacity                  = .6;
+$b2t-opacity-hover            = .8;
 $b2t-position-bottom          = -100px;
 $b2t-position-bottom-on       = 30px;