diff --git a/Public/css/output.css b/Public/css/output.css
index 6cd310e..38f68ab 100644
--- a/Public/css/output.css
+++ b/Public/css/output.css
@@ -5370,6 +5370,9 @@
   .-my-2 {
     margin-block: calc(var(--spacing) * -2);
   }
+  .my-1 {
+    margin-block: calc(var(--spacing) * 1);
+  }
   .my-1\.5 {
     margin-block: calc(var(--spacing) * 1.5);
   }
@@ -6799,6 +6802,9 @@
   .flex-wrap {
     flex-wrap: wrap;
   }
+  .items-baseline {
+    align-items: baseline;
+  }
   .items-center {
     align-items: center;
   }
@@ -7855,6 +7861,9 @@
   .px-4 {
     padding-inline: calc(var(--spacing) * 4);
   }
+  .py-1 {
+    padding-block: calc(var(--spacing) * 1);
+  }
   .py-1\.5 {
     padding-block: calc(var(--spacing) * 1.5);
   }
@@ -7884,6 +7893,9 @@
   .pt-6 {
     padding-top: calc(var(--spacing) * 6);
   }
+  .pb-4 {
+    padding-bottom: calc(var(--spacing) * 4);
+  }
   .pb-6 {
     padding-bottom: calc(var(--spacing) * 6);
   }
@@ -9527,6 +9539,16 @@
       }
     }
   }
+  .lg\:grid-cols-3 {
+    @media (width >= 64rem) {
+      grid-template-columns: repeat(3, minmax(0, 1fr));
+    }
+  }
+  .\32 xl\:table-cell {
+    @media (width >= 96rem) {
+      display: table-cell;
+    }
+  }
   .is-drawer-close\:mx-auto {
     &:where(.drawer-toggle:not(:checked) ~ .drawer-side, .drawer-toggle:not(:checked) ~ .drawer-side *) {
       margin-inline: auto;
diff --git a/Sources/ViewController/Views/MainPage.swift b/Sources/ViewController/Views/MainPage.swift
index e882042..1a5ea40 100644
--- a/Sources/ViewController/Views/MainPage.swift
+++ b/Sources/ViewController/Views/MainPage.swift
@@ -19,9 +19,25 @@ public struct MainPage<Inner: HTML>: SendableHTMLDocument where Inner: Sendable
     self.inner = inner()
   }
 
+  private var summary: String {
+    """
+    Duct sizing based on ACCA, Manual-D.
+    """
+  }
+
   public var head: some HTML {
     meta(.charset(.utf8))
     meta(.name(.viewport), .content("width=device-width, initial-scale=1.0"))
+    meta(.content("ductcalc.com"), .name("og:site_name"))
+    meta(.content("Duct Calc"), .name("og:title"))
+    meta(.content(summary), .name("description"))
+    meta(.content(summary), .name("og:description"))
+    meta(.content("/images/mand_logo.png"), .name("og:image"))
+    meta(.content("/images/mand_logo.png"), .name("twitter:image"))
+    meta(.content("Duct Calc"), .name("twitter:image:alt"))
+    meta(.content("summary_large_image"), .name("twitter:card"))
+    meta(.content("1536"), .name("og:image:width"))
+    meta(.content("1024"), .name("og:image:height"))
     script(.src("https://unpkg.com/htmx.org@2.0.8")) {}
     script(.src("/js/main.js")) {}
     link(.rel(.stylesheet), .href("/css/output.css"))
diff --git a/justfile b/justfile
index 2e59607..8187525 100644
--- a/justfile
+++ b/justfile
@@ -1,4 +1,5 @@
-docker_image := "manuald"
+docker_image := "ductcalc"
+docker_tag := "latest"
 
 install-deps:
 	@curl -sL daisyui.com/fast | bash
@@ -9,8 +10,8 @@ run-css:
 run:
 	@swift run App serve --log debug
 
-build-docker:
-	@podman build -f docker/Dockerfile.dev -t {{docker_image}}:dev .
+build-docker file="docker/Dockerfile":
+	@podman build -f {{file}} -t {{docker_image}}:{{docker_tag}} .
 
-run-dev:
-	@podman run -it --rm -v $PWD:/app -p 8080:8080 {{docker_image}}:dev
+run-docker:
+	@podman run -it --rm -v $PWD:/app -p 8080:8080 {{docker_image}}:{{docker_tag}}