diff --git a/app/css/dapp.css b/app/css/dapp.css
index 770ed7f..332e649 100644
--- a/app/css/dapp.css
+++ b/app/css/dapp.css
@@ -35,54 +35,15 @@ nav .sk-spinner.pacman{
   vertical-align: middle;
   margin: 10px 0 10px 30px;
 }
+nav .navbar-text a {
+  text-decoration:underline;
+}
+nav .navbar-text a:hover, nav .navbar-text a:focus {
+  text-decoration:none;
+}
 .tweets .tweet .list-group-item-text {
   white-space: pre-line;
 }
-.logs {
-  background-color: black;
-  font-size: 14px;
-  color: white;
-  font-weight: bold;
-  padding: 10px;
-  border-radius: 8px;
-}
-
-.tab-content {
-  border-left: 1px solid #ddd;
-  border-right: 1px solid #ddd;
-  border-bottom: 1px solid #ddd;
-  padding: 10px;
-  margin: 0px;
-}
-
-.nav-tabs {
-  margin-bottom: 0;
-}
-
-.status-offline {
-  vertical-align: middle;
-  margin-left: 5px;
-  margin-top: 4px;
-  width: 12px;
-  height: 12px;
-  background: red;
-  -moz-border-radius: 10px;
-  -webkit-border-radius: 10px;
-  border-radius: 10px;
-}
-
-.status-online {
-  vertical-align: middle;
-  margin-left: 5px;
-  margin-top: 4px;
-  width: 12px;
-  height: 12px;
-  background: mediumseagreen;
-  -moz-border-radius: 10px;
-  -webkit-border-radius: 10px;
-  border-radius: 10px;
-}
-
-input.form-control {
-  margin-right: 5px;
+.form-control[disabled], .form-control[readonly], fieldset[disabled] .form-control {
+  background-color: rgba(221, 221, 221, 0.4);
 }
\ No newline at end of file
diff --git a/app/js/components/CreateUser.js b/app/js/components/CreateUser.js
index aa88968..6df2e8d 100644
--- a/app/js/components/CreateUser.js
+++ b/app/js/components/CreateUser.js
@@ -48,7 +48,7 @@ class CreateUser extends Component {
 
       // send the transaction to create an account with our gas estimate
       // (plus a little bit more in case the contract state has changed).
-      const result = await createAccount.send({ from: this.props.account, gas: gasEstimate + 1000 });
+      const result = await createAccount.send({ gas: gasEstimate + 1000 });
 
       // check result status. if status is false or '0x0', show user the tx details to debug error
       if (result.status && !Boolean(result.status.toString().replace('0x', ''))) { // possible result values: '0x0', '0x1', or false, true
diff --git a/app/js/components/DoTweet.js b/app/js/components/DoTweet.js
index 69257dc..c4c7ee4 100644
--- a/app/js/components/DoTweet.js
+++ b/app/js/components/DoTweet.js
@@ -54,7 +54,7 @@ class DoTweet extends Component{
       
       // send the tweet transaction plus a little extra gas in case the contract state
       // has changed since we've done our gas estimate
-      await tweet.send({ from: account, gas: gasEstimate + 1000 });
+      await tweet.send({ gas: gasEstimate + 1000 });
       
       // remove loading state
       this.setState({ isLoading: false });
diff --git a/chains.json b/chains.json
index 7a5dd66..7fc9c03 100644
--- a/chains.json
+++ b/chains.json
@@ -1,17 +1,25 @@
 {
-  "0xdde6a9192954f4d6501ce98ad7bce3b8b83b1d69192248d408697e9aa49d9ecf": {
+  "0x4788220cd8213be02253e757532d0a33ca4ca33e194e9fb5ead0797712e451db": {
     "contracts": {
       "0x7cdafd8b713a2a137aa482400094d5148196dd4ed9e0b885613558758ba63ee5": {
         "name": "DTwitter",
-        "address": "0x748B1e003370a5EdAf965a89BeBf0Bf19472f170"
+        "address": "0x02778106a1E4FbAe35456b80a259Ac4F9d6EcD44"
       },
       "0x1797453304e4b69b44fb7d649a72ca80394a8b4e1d14c2cc530f5dc3ae1f0ea3": {
         "name": "ENSRegistry",
-        "address": "0x698dA658e9363A619C738146e3a2267b2487C008"
+        "address": "0x8C4E61644201d6b953e6a77279da0063C77C0C17"
       },
-      "0x0d8e129365403cec9d931fb5043084577c03d24d23a11aa5dae6ef1473e3d5d5": {
+      "0x4f2ec8bd9f20c23734df1765a6234f490d6f6d20c8a2579240c5c21fc1e3fd13": {
         "name": "FIFSRegistrar",
-        "address": "0x340B33717a1F84A1d997598Ba16Ed68A10b14e16"
+        "address": "0xB90e14eE00CC417974452f6276915cB3f4eeA4c1"
+      },
+      "0x9d71e0b1b6484d3ddf809d358f71ae0535166e8290c103f08d4f96f06570c6f3": {
+        "name": "FIFSRegistrar",
+        "address": "0x1fD75c07f3Ec72a99D682eCD380c6Ec03E8D19b0"
+      },
+      "0x972f980bf47614636adba4a6f14f7cacefc4713736d728a0e8582569335cea59": {
+        "name": "FIFSRegistrar",
+        "address": "0xF1182Fd6cE18D8665dCe54E1fcd820A6827E2215"
       }
     }
   }