docs(fix): style and token info discoverability (#908)

Style fixes for dark mode search results modal and better token info
discoverability

task: none

docs/site/docs/learn/omni/token/token.md

@@ -4,7 +4,7 @@ sidebar_position: 1
 
 # Token Supply & Distribution
 
-**\$OMNI** is an ERC-20 token launched on Ethereum L1 with a maximum supply of **100,000,000**.
+**\$OMNI** is an ERC-20 token launched on Ethereum L1 (deployed to [`0x36e66fbbce51e4cd5bd3c62b637eb411b18949d4`](https://etherscan.io/token/0x36e66fbbce51e4cd5bd3c62b637eb411b18949d4)) with a maximum supply of **100,000,000**. This section covers the supply & distribution of **\$OMNI**'s tokenomics.
 
 At genesis, **\$OMNI** had a circulating supply of 10,391,492 (10.39% of total supply). **\$OMNI** is distributed across the following categories:
 

docs/site/docs/protocol/xmessages/fees/native.md

@@ -4,7 +4,7 @@ sidebar_position: 2
 
 # Native Token Roles & Utility
 
-**\$OMNI** is the native token powering the Omni protocol. It serves the following functions within the network:
+**\$OMNI** is the native token powering the Omni protocol. This section covers the roles and utility aspects of the **\$OMNI** tokenomics. The token serves the following functions within the network:
 
 ## Cross-Rollup Gas Fees
 

docs/site/src/css/custom.css

@@ -72,14 +72,13 @@
   --docsearch-modal-background: var(--ifm-navbar-background-color);
   /* Search box */
   --docsearch-searchbox-background: var(--ifm-color-secondary);
-  --docsearch-searchbox-focus-background: var(--ifm-color-black);
+  --docsearch-searchbox-focus-background: var(--ifm-navbar-background-color);
   /* Hit */
   --docsearch-hit-color: var(--ifm-font-color-base);
-  --docsearch-hit-active-color: var(--ifm-color-white);
-  --docsearch-hit-background: var(--ifm-color-primary);
+  --docsearch-hit-active-color: var(--ifm-color-black);
+  --docsearch-hit-background: var(--ifm-color-secondary);
   /* Footer */
-  --docsearch-footer-background: var(--navbar-color);
-  --docsearch-key-gradient: linear-gradient(-26.5deg, var(--ifm-color-emphasis-200) 0%, var(--ifm-color-emphasis-100) 100%);
+  --docsearch-footer-background: var(--ifm-navbar-background-color);
 }
 
 article nav[aria-label='Breadcrumbs'] {