bootstrap 4 beta fixes

views/connect.pug

@@ -11,7 +11,7 @@ block content
 
 	form(method="post", action="/connect")
 		div(class="card")
-			div(class="card-block")
+			div(class="card-body")
 				h4(class="card-title") RPC Connect
 
 				hr

views/includes/block-content.pug

@@ -117,7 +117,7 @@ div(class="tab-content")
 				div(class="card-header")
 					if (tx && tx.txid)
 						a(href=("/tx/" + tx.txid), class="monospace") #{tx.txid}
-				div(class="card-block")
+				div(class="card-body")
 					//pre
 					//	code #{JSON.stringify(result.txInputsByTransaction[tx.txid], null, 4)}
 					if (true)

views/layout.pug

@@ -5,7 +5,7 @@ html
 		meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0, shrink-to-fit=no")
 		
 		//link(rel="stylesheet", href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css")
-		link(rel="stylesheet", href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css", integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ", crossorigin="anonymous")
+		link(rel="stylesheet", href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/css/bootstrap.min.css", integrity="sha384-/Y6pD6FV/Vv2HJnA6t+vslU6fwYXjCFtcEpHbNJ0lyAFsXTsjBbfaDjzALeQsN6M", crossorigin="anonymous")
 		link(rel="stylesheet", href="https://netdna.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css")
 		link(rel="stylesheet", href="https://fonts.googleapis.com/css?family=Lato|Open+Sans")
 		link(rel="stylesheet", href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/default.min.css")
@@ -19,7 +19,7 @@ html
 			title BTC RPC Explorer
 		
 	body
-		nav(class="navbar navbar-toggleable-md navbar-inverse bg-inverse mb-4")
+		nav(class="navbar navbar-expand-lg navbar-dark bg-dark mb-4")
 			div(class="container")
 				div(class="navbar-header")
 					button(type="button", class="navbar-toggler navbar-toggler-right", data-toggle="collapse", data-target="#navbarNav")
@@ -47,8 +47,9 @@ html
 			div(style="margin-bottom: 30px;")
 		
 		script(src="https://code.jquery.com/jquery-3.2.1.min.js", integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4=", crossorigin="anonymous")
+		script(src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.11.0/umd/popper.min.js", integrity="sha384-b/U6ypiBEHpOf/4+1nzFpr53nxSS+GLCkfwBdFNTxtclqqenISfwAzpKaMNFNmj4", crossorigin="anonymous")
 		script(src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js", integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb", crossorigin="anonymous")
-		script(src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js", integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn", crossorigin="anonymous")
+		script(src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/js/bootstrap.min.js", integrity="sha384-h0AbiXch4ZDo7tp9hKZ4TsHbi047NrKGLO3SEJAg45jXxnGIfYzk4Si90RDIqNm1", crossorigin="anonymous")
 
 		script(src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/highlight.min.js")
 		

views/terminal.pug

@@ -8,7 +8,7 @@ block content
 		Use this interactive terminal to send RPC commands to your node. Results will be shown inline.
 
 	div(class="card mb-3")
-		div(class="card-block")
+		div(class="card-body")
 			form(id="terminal-form")
 				div(class="form-group")
 					label(for="input-cmd") Command

views/transaction.pug

@@ -140,7 +140,7 @@ block content
 				div(class="card mb-3")
 					div(class="card-header")
 						h2(class="h5 mb-0") Coinbase
-					div(class="card-block")
+					div(class="card-body")
 						h6 Hex
 						div(style="background-color: #f0f0f0; padding: 5px 10px;", class="mb-3")
 							span(class="monospace word-wrap") #{result.getrawtransaction.vin[0].coinbase}
@@ -156,7 +156,7 @@ block content
 							h2(class="h5 mb-0") Input (#{result.getrawtransaction.vin.length.toLocaleString()})
 						div(class="col-md-6") 
 							h2(class="h5 mb-0") Output (#{result.getrawtransaction.vout.length.toLocaleString()})
-				div(class="card-block")
+				div(class="card-body")
 					div(class="row")
 						div(class="col-md-6")
 							if (result.txInputs)