diff --git a/sway/commands/border.c b/sway/commands/border.c
index 1eb06a218..f2194e2b8 100644
--- a/sway/commands/border.c
+++ b/sway/commands/border.c
@@ -18,26 +18,53 @@ struct cmd_results *cmd_border(int argc, char **argv) {
 		return cmd_results_new(CMD_INVALID, "border",
 				"Only views can have borders");
 	}
-	struct sway_view *view = container->sway_view;
 
-	if (strcmp(argv[0], "none") == 0) {
-		view->border = B_NONE;
-	} else if (strcmp(argv[0], "normal") == 0) {
-		view->border = B_NORMAL;
-	} else if (strcmp(argv[0], "pixel") == 0) {
-		view->border = B_PIXEL;
-		if (argc == 2) {
-			view->border_thickness = atoi(argv[1]);
+	if (container->parent->layout != L_TABBED) {
+		struct sway_view *view = container->sway_view;
+		if (strcmp(argv[0], "none") == 0) {
+			view->border = B_NONE;
+		} else if (strcmp(argv[0], "normal") == 0) {
+			view->border = B_NORMAL;
+		} else if (strcmp(argv[0], "pixel") == 0) {
+			view->border = B_PIXEL;
+			if (argc == 2) {
+				view->border_thickness = atoi(argv[1]);
+			}
+		} else if (strcmp(argv[0], "toggle") == 0) {
+			view->border = (view->border + 1) % 3;
+		} else {
+			return cmd_results_new(CMD_INVALID, "border",
+					"Expected 'border <none|normal|pixel|toggle>' "
+					"or 'border pixel <px>'");
 		}
-	} else if (strcmp(argv[0], "toggle") == 0) {
-		view->border = (view->border + 1) % 3;
-	} else {
-		return cmd_results_new(CMD_INVALID, "border",
-				"Expected 'border <none|normal|pixel|toggle>' "
-				"or 'border pixel <px>'");
-	}
 
-	view_autoconfigure(view);
+		view_autoconfigure(view);
+	} else {
+		int depth;
+		int num_tabs = container->parent->children->length;
+
+		for (depth = 0; depth < num_tabs; ++depth) {
+			struct sway_container *child = container->parent->children->items[depth];
+			if (strcmp(argv[0], "none") == 0) {
+				child->sway_view->border = B_NONE;
+			} else if (strcmp(argv[0], "normal") == 0) {
+				child->sway_view->border = B_NORMAL;
+			} else if (strcmp(argv[0], "pixel") == 0) {
+				child->sway_view->border = B_PIXEL;
+				if (argc == 2) {
+					child->sway_view->border_thickness = atoi(argv[1]);
+				}
+			} else if (strcmp(argv[0], "toggle") == 0) {
+				child->sway_view->border = (child->sway_view->border + 1) % 3;
+			} else {
+				return cmd_results_new(CMD_INVALID, "border",
+						"Expected 'border <none|normal|pixel|toggle>' "
+						"or 'border pixel <px>'");
+			}
+
+			view_autoconfigure(child->sway_view);
+		}
+	}
 
 	struct sway_seat *seat = input_manager_current_seat(input_manager);
 	if (seat->cursor) {
diff --git a/sway/commands/layout.c b/sway/commands/layout.c
index bb36bb18b..fa59eac47 100644
--- a/sway/commands/layout.c
+++ b/sway/commands/layout.c
@@ -23,7 +23,7 @@ struct cmd_results *cmd_layout(int argc, char **argv) {
 		parent = parent->parent;
 	}
 
-	// TODO: stacks and tabs
+	// TODO: stacks
 
 	if (strcasecmp(argv[0], "default") == 0) {
 		parent->layout = parent->prev_layout;
@@ -39,6 +39,8 @@ struct cmd_results *cmd_layout(int argc, char **argv) {
 			parent->layout = L_HORIZ;
 		} else if (strcasecmp(argv[0], "splitv") == 0) {
 			parent->layout = L_VERT;
+		} else if (strcasecmp(argv[0], "tabbed") == 0) {
+			parent->layout = L_TABBED;
 		} else if (strcasecmp(argv[0], "toggle") == 0 && argc == 2 && strcasecmp(argv[1], "split") == 0) {
 			if (parent->layout == L_HORIZ) {
 				parent->layout = L_VERT;
diff --git a/sway/desktop/output.c b/sway/desktop/output.c
index 945620524..7590b3dc5 100644
--- a/sway/desktop/output.c
+++ b/sway/desktop/output.c
@@ -539,6 +539,179 @@ static void render_container_simple_border_pixel(struct sway_output *output,
 	}
 }
 
+/**
+ * Render decorations for the left, right, and bottom edge of a view with "border normal".
+ */
+static void render_container_border_outline_normal(struct sway_output *output,
+		pixman_region32_t *output_damage, struct sway_container *con,
+		struct border_colors *colors) {
+	struct wlr_box box;
+	float color[4];
+
+	// Child border - left edge
+	memcpy(&color, colors->child_border, sizeof(float) * 4);
+	color[3] *= con->alpha;
+	box.x = con->x;
+	box.y = con->y + (con->sway_view->y - con->y);
+	box.width = con->sway_view->border_thickness;
+	box.height = con->height;
+	render_rect(output->wlr_output, output_damage, &box, color);
+
+	// Child border - right edge
+	if (con->parent->children->length == 1 && con->parent->layout == L_HORIZ) {
+		memcpy(&color, colors->indicator, sizeof(float) * 4);
+	} else {
+		memcpy(&color, colors->child_border, sizeof(float) * 4);
+	}
+	color[3] *= con->alpha;
+	box.x = con->x + con->width - con->sway_view->border_thickness;
+	box.y = con->y + (con->sway_view->y - con->y);
+	box.width = con->sway_view->border_thickness;
+	box.height = con->height;
+	render_rect(output->wlr_output, output_damage, &box, color);
+
+	// Child border - bottom edge
+	if (con->parent->children->length == 1 && con->parent->layout == L_VERT) {
+		memcpy(&color, colors->indicator, sizeof(float) * 4);
+	} else {
+		memcpy(&color, colors->child_border, sizeof(float) * 4);
+	}
+	color[3] *= con->alpha;
+	box.x = con->x;
+	box.y = con->y + con->height - con->sway_view->border_thickness;
+	box.width = con->width;
+	box.height = con->sway_view->border_thickness;
+	render_rect(output->wlr_output, output_damage, &box, color);
+}
+
+/**
+ * Render decorations for the top border for tabbed view with "border normal".
+ */
+static void render_container_top_tabbed_border_normal(struct sway_output *output,
+		pixman_region32_t *output_damage, struct sway_container *con,
+		struct border_colors *colors, struct wlr_texture *title_texture,
+		size_t depth) {
+	struct wlr_box box;
+	float color[4];
+	double num_tabs = con->parent->children->length;
+	double tab_width = con->width / num_tabs;
+
+	// Single pixel bar above title
+	memcpy(&color, colors->border, sizeof(float) * 4);
+	color[3] *= con->alpha;
+	box.x = floor(con->x + depth * tab_width);
+	box.y = con->y;
+	box.width = ceil(con->width / num_tabs);
+	box.height = 1;
+	render_rect(output->wlr_output, output_damage, &box, color);
+
+	// Single pixel bar below title
+	box.x = floor(con->x + depth*tab_width);
+	box.y = con->sway_view->y - 1;
+	box.width = ceil(con->width / num_tabs);
+	box.height = 1;
+	scale_box(&box, output->wlr_output->scale);
+	render_rect(output->wlr_output, output_damage, &box, color);
+
+	// Tab separator on the left
+	box.x = floor(con->x + depth * tab_width);
+	box.y = con->y + 1; 
+	box.width = ceil(con->sway_view->border_thickness);
+	box.height = con->sway_view->y - con->y - 2;
+	scale_box(&box, output->wlr_output->scale);
+	render_rect(output->wlr_output, output_damage, &box, color);
+
+	// Tab separator on the right
+	box.x = floor(con->x + (depth + 1) * tab_width - con->sway_view->border_thickness);
+	box.y = con->y + 1; 
+	box.width = ceil(con->sway_view->border_thickness);
+	box.height = con->sway_view->y - con->y - 2;
+	scale_box(&box, output->wlr_output->scale);
+	render_rect(output->wlr_output, output_damage, &box, color);
+
+	// Title background
+	memcpy(&color, colors->background, sizeof(float) * 4);
+	color[3] *= con->alpha;
+	box.x = floor(con->x + con->sway_view->border_thickness + depth * tab_width);
+	box.y = con->y + 1;
+	box.width = ceil(con->width / num_tabs - con->sway_view->border_thickness * 2);
+	box.height = con->sway_view->y - con->y - 2;
+	scale_box(&box, output->wlr_output->scale);
+	render_rect(output->wlr_output, output_damage, &box, color);
+
+	// Title text
+	if (title_texture) {
+		float output_scale = output->wlr_output->scale;
+		struct wlr_box texture_box = {
+			.x = box.x * output_scale,
+			.y = box.y * output_scale,
+		};
+		wlr_texture_get_size(title_texture,
+			&texture_box.width, &texture_box.height);
+
+		float matrix[9];
+		wlr_matrix_project_box(matrix, &texture_box, WL_OUTPUT_TRANSFORM_NORMAL,
+			0.0, output->wlr_output->transform_matrix);
+
+		render_texture(output->wlr_output, output_damage, title_texture,
+			&texture_box, matrix, 1.0);
+	}
+}
+
+/**
+ * Render decorations for a tabbed view with "border pixel".
+ */
+static void render_container_tabbed_border_pixel(struct sway_output *output,
+		pixman_region32_t *output_damage, struct sway_container *con,
+		struct border_colors *colors, size_t depth) {
+	struct wlr_box box;
+	float color[4];
+	double num_tabs = con->parent->children->length;
+	double tab_width = con->width / num_tabs;
+
+	// Child border - left edge
+	memcpy(&color, colors->child_border, sizeof(float) * 4);
+	color[3] *= con->alpha;
+	box.x = con->x;
+	box.y = con->y + (con->sway_view->y - con->y);
+	box.width = con->sway_view->border_thickness;
+	box.height = con->height;
+	render_rect(output->wlr_output, output_damage, &box, color);
+
+	// Child border - right edge
+	if (con->parent->children->length == 1 && con->parent->layout == L_HORIZ) {
+		memcpy(&color, colors->indicator, sizeof(float) * 4);
+	} else {
+		memcpy(&color, colors->child_border, sizeof(float) * 4);
+	}
+	color[3] *= con->alpha;
+	box.x = con->x + con->width - con->sway_view->border_thickness;
+	box.y = con->y + (con->sway_view->y - con->y);
+	box.width = con->sway_view->border_thickness;
+	box.height = con->height;
+	render_rect(output->wlr_output, output_damage, &box, color);
+
+	// Child border - top edge
+	box.x = con->x + depth * tab_width;
+	box.y = con->y;
+	box.width = con->width / num_tabs;
+	box.height = con->sway_view->border_thickness;
+	render_rect(output->wlr_output, output_damage, &box, color);
+
+	// Child border - bottom edge
+	if (con->parent->children->length == 1 && con->parent->layout == L_VERT) {
+		memcpy(&color, colors->indicator, sizeof(float) * 4);
+	} else {
+		memcpy(&color, colors->child_border, sizeof(float) * 4);
+	}
+	color[3] *= con->alpha;
+	box.x = con->x;
+	box.y = con->y + con->height - con->sway_view->border_thickness;
+	box.width = con->width;
+	box.height = con->sway_view->border_thickness;
+	render_rect(output->wlr_output, output_damage, &box, color);
+}
+
 static void render_container(struct sway_output *output,
 	pixman_region32_t *damage, struct sway_container *con, bool parent_focused);
 
@@ -595,9 +768,69 @@ static void render_container_simple(struct sway_output *output,
 /**
  * Render a container's children using the L_TABBED layout.
  */
-static void render_container_tabbed(struct sway_output *output,
-		pixman_region32_t *damage, struct sway_container *con) {
-	// TODO
+static void render_container_tabbed(struct sway_output *output, 
+		pixman_region32_t *damage, struct sway_container *con,
+		bool parent_focused) {
+	struct sway_seat *seat = input_manager_current_seat(input_manager);
+	struct sway_container *focus = seat_get_focus(seat);
+
+	struct sway_container *active_child = NULL;
+	struct border_colors *focused_colors = &config->border_colors.focused;
+	for (int i = 0; i < con->children->length; ++i) {
+		struct sway_container *child = con->children->items[i];
+		enum sway_container_border border_type;
+		int border_thickness;
+
+		if (child->type == C_VIEW) {
+			struct border_colors *colors;
+			struct wlr_texture *title_texture;
+			if (focus == child || parent_focused) {
+				colors = &config->border_colors.focused;
+				title_texture = child->title_focused;
+				active_child = child;
+			} else if (seat_get_focus_inactive(seat, con) == child) {
+				colors= &config->border_colors.focused_inactive;
+				title_texture = child->title_focused_inactive;
+				active_child = child;
+			} else {
+				colors = &config->border_colors.unfocused;
+				title_texture = child->title_unfocused;
+			}
+
+			if (i == 0) {
+				border_type = child->sway_view->border;
+				border_thickness = child->sway_view->border_thickness;
+			}
+
+			if (border_type == B_NORMAL) {
+				render_container_top_tabbed_border_normal(output, damage,
+						child, colors, title_texture, i);
+				child->sway_view->border = border_type;
+				child->sway_view->border_thickness = border_thickness;
+			} else if (border_type == B_PIXEL) {
+				render_container_tabbed_border_pixel(output, damage,
+						child, colors, i);
+				child->sway_view->border = border_type;
+				child->sway_view->border_thickness = border_thickness;
+			} else {
+				child->sway_view->border = border_type;
+				child->sway_view->border_thickness = border_thickness;
+			}
+		} else {
+			render_container(output, damage, child,
+					parent_focused || focus == child);
+		}
+	}
+
+	arrange_children_of(con);
+
+	if (active_child) {
+		render_container_border_outline_normal(output, damage, active_child,
+				focused_colors);
+		render_view(active_child->sway_view, output, damage);
+	} else {
+		wlr_log(L_INFO, "tabbed layout has no active child");
+	}
 }
 
 /**
@@ -621,7 +854,7 @@ static void render_container(struct sway_output *output,
 		render_container_stacked(output, damage, con);
 		break;
 	case L_TABBED:
-		render_container_tabbed(output, damage, con);
+		render_container_tabbed(output, damage, con, parent_focused);
 		break;
 	case L_FLOATING:
 		// TODO
diff --git a/sway/tree/arrange.c b/sway/tree/arrange.c
index 83bb20fbe..60d0dfb95 100644
--- a/sway/tree/arrange.c
+++ b/sway/tree/arrange.c
@@ -159,6 +159,20 @@ static void apply_vert_layout(struct sway_container *parent) {
 	child->height = parent->y + parent->height - child->y;
 }
 
+static void apply_tabbed_layout(struct sway_container *parent) {
+	size_t num_children = parent->children->length;
+	if (!num_children) {
+		return;
+	}
+	for (size_t i = 0; i < num_children; ++i) {
+		struct sway_container *child = parent->children->items[i];
+		child->x = parent->x;
+		child->y = parent->y;
+		child->width = parent->width;
+		child->height = parent->height;
+	}
+}
+
 void arrange_children_of(struct sway_container *parent) {
 	if (config->reloading) {
 		return;
@@ -189,6 +203,9 @@ void arrange_children_of(struct sway_container *parent) {
 	case L_VERT:
 		apply_vert_layout(parent);
 		break;
+	case L_TABBED:
+		apply_tabbed_layout(parent);
+		break;
 	default:
 		wlr_log(L_DEBUG, "TODO: arrange layout type %d", parent->layout);
 		apply_horiz_layout(parent);
diff --git a/sway/tree/container.c b/sway/tree/container.c
index feaf76475..5307b9756 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -462,6 +462,8 @@ struct sway_container *container_at(struct sway_container *parent,
 
 	list_add(queue, parent);
 
+	struct sway_seat *seat = input_manager_current_seat(input_manager);
+	struct sway_container *focus = seat_get_focus_inactive(seat, parent);
 	struct sway_container *swayc = NULL;
 	while (queue->length) {
 		swayc = queue->items[0];
@@ -506,21 +508,54 @@ struct sway_container *container_at(struct sway_container *parent,
 					view_sx, view_sy, &_sx, &_sy);
 				break;
 			}
-			if (_surface) {
-				*sx = _sx;
-				*sy = _sy;
-				*surface = _surface;
-				return swayc;
-			}
 			// Check the view's decorations
 			struct wlr_box swayc_box = {
 				.x = swayc->x,
 				.y = swayc->y,
 				.width = swayc->width,
-				.height = swayc->height,
+				.height = swayc->height
 			};
-			if (wlr_box_contains_point(&swayc_box, ox, oy)) {
-				return swayc;
+			// Check which tab the mouse is on
+			int depth;
+			int num_tabs = swayc->parent->children->length;
+			double tab_width = swayc->width / num_tabs;
+			struct wlr_box tab_box = {
+				.y = swayc->y,
+				.width = swayc->width / num_tabs,
+				.height = swayc->sway_view->y - swayc->y
+			};
+			switch (swayc->parent->layout) {
+			case L_NONE:
+			case L_HORIZ:
+			case L_VERT:
+				if (_surface) {
+					*sx = _sx;
+					*sy = _sy;
+					*surface = _surface;
+					return swayc;
+				}
+				if (wlr_box_contains_point(&swayc_box, ox, oy)) {
+					return swayc;
+				}
+				break;
+			case L_TABBED:
+				for (depth = 0; depth < num_tabs; ++depth) {
+					tab_box.x = swayc->x + depth * tab_width;
+					*sx = _sx;
+					*sy = _sy;
+					*surface = _surface;
+					if (wlr_box_contains_point(&tab_box, ox, oy)) {
+						return swayc->parent->children->items[depth];
+					}
+				}
+				if (focus == swayc) {
+					return swayc;
+				}
+				break;
+			case L_STACKED:
+				break;
+			case L_FLOATING:
+				break;
 			}
 		} else {
 			list_cat(queue, swayc->children);
diff --git a/sway/tree/layout.c b/sway/tree/layout.c
index ec1c6fe5b..0a795b907 100644
--- a/sway/tree/layout.c
+++ b/sway/tree/layout.c
@@ -234,6 +234,7 @@ static bool is_parallel(enum sway_container_layout layout,
 		enum movement_direction dir) {
 	switch (layout) {
 	case L_TABBED:
+		return dir == MOVE_LEFT || dir == MOVE_RIGHT;
 	case L_STACKED:
 	case L_HORIZ:
 		return dir == MOVE_LEFT || dir == MOVE_RIGHT;