Cleanup unused styles (#33457)

sass/custom/_colors.scss

@@ -1,49 +0,0 @@
-// Here you can easily change your sites's color scheme.
-// To give it a try, uncomment some of the lines below rebuild your blog, and see how it works.
-// If you need a handy color picker try http://hslpicker.com
-
-$header-bg: #fff;
-//$subtitle-color: lighten($header-bg, 58);
-$nav-bg: #fff;
-$nav-bg-front: none;
-$nav-bg-back: #fff;
-//$sidebar-bg: desaturate(#eceff5, 8);
-//$sidebar-link-color: saturate(#526f9a, 10);
-//$sidebar-link-color-hover: darken(#7ab662, 9);
-$footer-bg: #fff;
-$footer-bg-front: #fff;
-$footer-bg-back: #fff;
-
-/* To use the light Solarized highlighting theme uncomment the following line */
-//$solarized: light;
-
-/* If you want to tweak the Solarized colors you can do that here */
-//$base03:          #002b36; //darkest blue
-//$base02:          #073642; //dark blue
-//$base01:          #586e75; //darkest gray
-//$base00:          #657b83; //dark gray
-//$base0:           #839496; //medium gray
-//$base1:           #93a1a1; //medium light gray
-//$base2:           #eee8d5; //cream
-//$base3:           #fdf6e3; //white
-//$solar-yellow:    #b58900;
-//$solar-orange:    #cb4b16;
-//$solar-red:       #dc322f;
-//$solar-magenta:   #d33682;
-//$solar-violet:    #6c71c4;
-//$solar-blue:      #268bd2;
-//$solar-cyan:      #2aa198;
-//$solar-green:     #859900;
-
-
-/* Non highlighted code colors */
-//$pre-bg: $base03;
-//$pre-border: darken($base02, 5);
-//$pre-color: $base1;
-
-$main-bg: #fff;
-$page-bg: #fff;
-$link-color: #1abcf2;
-$nav-color: $link-color;
-$link-color-visited:darken($nav-color, 25);
-$title-color: $link-color;

sass/custom/_fonts.scss

@@ -1,10 +0,0 @@
-// Here you can easily change font faces which are used in your site.
-// To give it a try, uncomment some of the lines below rebuild your blog, and see how it works. your sites's.
-// If you love to use Web Fonts, you also need to add some lines to source/_includes/custom/head.html
-
-$sans: "Open Sans", sans-serif;
-$serif: "Noto Serif", serif;
-//$mono: "Courier", monospace;
-$heading-font-family: $sans;
-//$header-title-font-family: "Futura", sans-serif;
-//$header-subtitle-font-family: "Futura", sans-serif;

sass/custom/_styles.scss

@@ -1,142 +0,0 @@
-// This File is imported last, and will override other styles in the cascade
-// Add styles here to make changes without digging in too much
-html {
-  background:$page-bg;
-}
-body {
-  line-height: 1.8em;
-  font-size:1.1em;
-  max-width:1320px;
-  > div {
-    background: #fff !important;
-    border-bottom:2px solid #f2f2f2;
-    > div {
-      border-right:2px solid #f2f2f2;
-      background: #fff !important;
-    }
-  }
-  > nav {
-    border-bottom:2px solid #f2f2f2;
-    li+li {
-      border-left:2px solid #f2f2f2;
-    }
-    a {
-      font-family: $serif;
-    }
-  }
-  >header {
-    h1 a {
-    font-weight: bold;
-    }
-  }
-
-  #content .blog-index article {
-  table {
-    font-size: 90%;
-    margin-bottom: 1.5em;
-    thead tr {
-      border-bottom: 1px solid $sidebar-border;
-    }
-    th {
-      font-weight: bold;
-      padding-right: 20px;
-    }
-    td {
-      padding: 0 20px 10px 0;
-      vertical-align: top;
-    }
-  }
-
-  header {
-    h1 {
-      margin: 0;
-      a { text-decoration: none;
-        &:hover { 
-          text-decoration: none;
-          color:$link-color;
-          } 
-          }
-        }
-      }
-    }
-  #blog-archives {
-    h1 {
-      a { text-decoration: none;
-        &:hover { text-decoration:none; } }
-    }
-  }
-  aside.sidebar {
-    background:#fff;
-    border-left:2px solid #f2f2f2;
-    height:100%;
-    form .search {
-      padding: .3em .5em 0;
-      font-size: .85em;
-      font-family: $serif;
-      line-height: 1.1em;
-      width: 95%;
-      background-color: #fff;
-      border: 2px solid #f2f2f2;
-      color: #000;
-      }
-    input[type=text]:focus, textarea:focus {
-      box-shadow: 0 0 0 rgba(255,255,255,1);
-    }
-  }
-
-  .toggle-sidebar {
-    display:none;
-  }
-}
-@media only screen and (max-width: 749px) {
-  aside.sidebar {
-    padding-top:15px;
-    padding-bottom:15px;
-  }
-}
-@media only screen and (min-width: 750px) {
-  aside.sidebar {
-    border-top:0px solid black;
-  }
-}
-@media only screen and (min-width:992px) {
-  body { 
-    font-size: 1.3em; 
-  }
-  .collapse-sidebar aside.sidebar {
-    background: #fff;
-  }
-}
-.meta {
-  font-family: $serif;
-}
-.sticky {  
-    position: fixed;  
-    width:100%;  
-    left: 0;  
-    top: 0;  
-    z-index: 100;  
-}
-::-webkit-input-placeholder {
-   color: $link-color;
-}
-:-moz-placeholder { /* Firefox 18- */
-   color: $link-color;  
-}
-::-moz-placeholder {  /* Firefox 19+ */
-   color: $link-color;  
-}
-:-ms-input-placeholder {  
-   color: $link-color;  
-}  
-
-.highlight, html .gist .gist-file .gist-syntax .gist-highlight {
-  table {
-    margin: 0;
-    td {
-      padding: 0;
-      &.code { width: 100%; }
-    }
-  }
-  border: 1px solid $pre-border !important;
-}