diff --git a/mastodon/status.go b/mastodon/status.go
index 06fdd20..e6e247f 100644
--- a/mastodon/status.go
+++ b/mastodon/status.go
@@ -57,6 +57,7 @@ type Status struct {
 	ThreadInNewTab  bool                   `json:"thread_in_new_tab"`
 	MaskNSFW        bool                   `json:"mask_nsfw"`
 	RetweetedByID   string                 `json:"retweeted_by_id"`
+	DarkMode        bool                   `json:"dark_mode"`
 }
 
 // Context hold information for mastodon context.
diff --git a/model/postContext.go b/model/postContext.go
index 3098437..58997f7 100644
--- a/model/postContext.go
+++ b/model/postContext.go
@@ -9,6 +9,7 @@ type PostContext struct {
 	DefaultVisibility string
 	ReplyContext      *ReplyContext
 	Formats           []PostFormat
+	DarkMode          bool
 }
 
 type ReplyContext struct {
diff --git a/model/settings.go b/model/settings.go
index b8eeffc..7d22747 100644
--- a/model/settings.go
+++ b/model/settings.go
@@ -6,6 +6,7 @@ type Settings struct {
 	ThreadInNewTab    bool   `json:"thread_in_new_tab"`
 	MaskNSFW          bool   `json:"mask_nfsw"`
 	FluorideMode      bool   `json:"fluoride_mode"`
+	DarkMode          bool   `json:"dark_mode"`
 }
 
 func NewSettings() *Settings {
@@ -15,5 +16,6 @@ func NewSettings() *Settings {
 		ThreadInNewTab:    false,
 		MaskNSFW:          true,
 		FluorideMode:      false,
+		DarkMode:          false,
 	}
 }
diff --git a/renderer/model.go b/renderer/model.go
index 102ce55..64b9946 100644
--- a/renderer/model.go
+++ b/renderer/model.go
@@ -10,6 +10,7 @@ type HeaderData struct {
 	NotificationCount int
 	CustomCSS         string
 	FluorideMode      bool
+	DarkMode          bool
 }
 
 type NavbarData struct {
@@ -58,6 +59,7 @@ type NotificationData struct {
 	Notifications []*mastodon.Notification
 	HasNext       bool
 	NextLink      string
+	DarkMode      bool
 }
 
 type UserData struct {
@@ -66,6 +68,7 @@ type UserData struct {
 	Statuses []*mastodon.Status
 	HasNext  bool
 	NextLink string
+	DarkMode bool
 }
 
 type AboutData struct {
diff --git a/renderer/renderer.go b/renderer/renderer.go
index 4065312..42bffad 100644
--- a/renderer/renderer.go
+++ b/renderer/renderer.go
@@ -11,6 +11,39 @@ import (
 	"mastodon"
 )
 
+var (
+	icons = map[string]string{
+		"envelope":          "/static/icons/envelope.png",
+		"dark-envelope":     "/static/icons/dark-envelope.png",
+		"globe":             "/static/icons/globe.png",
+		"dark-globe":        "/static/icons/dark-globe.png",
+		"liked":             "/static/icons/liked.png",
+		"dark-liked":        "/static/icons/liked.png",
+		"link":              "/static/icons/link.png",
+		"dark-link":         "/static/icons/dark-link.png",
+		"lock":              "/static/icons/lock.png",
+		"dark-lock":         "/static/icons/dark-lock.png",
+		"mail-forward":      "/static/icons/mail-forward.png",
+		"dark-mail-forward": "/static/icons/dark-mail-forward.png",
+		"reply":             "/static/icons/reply.png",
+		"dark-reply":        "/static/icons/dark-reply.png",
+		"retweet":           "/static/icons/retweet.png",
+		"dark-retweet":      "/static/icons/dark-retweet.png",
+		"retweeted":         "/static/icons/retweeted.png",
+		"dark-retweeted":    "/static/icons/retweeted.png",
+		"smile-o":           "/static/icons/smile-o.png",
+		"dark-smile-o":      "/static/icons/dark-smile-o.png",
+		"star-o":            "/static/icons/star-o.png",
+		"dark-star-o":       "/static/icons/dark-star-o.png",
+		"star":              "/static/icons/star.png",
+		"dark-star":         "/static/icons/dark-star.png",
+		"unlock-alt":        "/static/icons/unlock-alt.png",
+		"dark-unlock-alt":   "/static/icons/dark-unlock-alt.png",
+		"user-plus":         "/static/icons/user-plus.png",
+		"dark-user-plus":    "/static/icons/dark-user-plus.png",
+	}
+)
+
 type Renderer interface {
 	RenderErrorPage(ctx context.Context, writer io.Writer, data *ErrorData)
 	RenderHomePage(ctx context.Context, writer io.Writer, data *HomePageData) (err error)
@@ -42,6 +75,7 @@ func NewRenderer(templateGlobPattern string) (r *renderer, err error) {
 		"TimeSince":               TimeSince,
 		"FormatTimeRFC3339":       FormatTimeRFC3339,
 		"FormatTimeRFC822":        FormatTimeRFC822,
+		"GetIcon":                 GetIcon,
 	}).ParseGlob(templateGlobPattern)
 	if err != nil {
 		return
@@ -180,3 +214,11 @@ func FormatTimeRFC3339(t time.Time) string {
 func FormatTimeRFC822(t time.Time) string {
 	return t.Format(time.RFC822)
 }
+
+func GetIcon(name string, darkMode bool) (icon string) {
+	if darkMode {
+		name = "dark-" + name
+	}
+	icon, _ = icons[name]
+	return
+}
diff --git a/service/service.go b/service/service.go
index f43c463..b3c2103 100644
--- a/service/service.go
+++ b/service/service.go
@@ -281,10 +281,12 @@ func (svc *service) ServeTimelinePage(ctx context.Context, client io.Writer,
 	for i := range statuses {
 		statuses[i].ThreadInNewTab = c.Session.Settings.ThreadInNewTab
 		statuses[i].MaskNSFW = c.Session.Settings.MaskNSFW
+		statuses[i].DarkMode = c.Session.Settings.DarkMode
 		if statuses[i].Reblog != nil {
 			statuses[i].Reblog.RetweetedByID = statuses[i].ID
 			statuses[i].Reblog.ThreadInNewTab = c.Session.Settings.ThreadInNewTab
 			statuses[i].Reblog.MaskNSFW = c.Session.Settings.MaskNSFW
+			statuses[i].Reblog.DarkMode = c.Session.Settings.DarkMode
 		}
 	}
 
@@ -317,6 +319,7 @@ func (svc *service) ServeTimelinePage(ctx context.Context, client io.Writer,
 	postContext := model.PostContext{
 		DefaultVisibility: c.Session.Settings.DefaultVisibility,
 		Formats:           svc.postFormats,
+		DarkMode:          c.Session.Settings.DarkMode,
 	}
 
 	commonData, err := svc.getCommonData(ctx, client, c, timelineType+" timeline ")
@@ -385,6 +388,7 @@ func (svc *service) ServeThreadPage(ctx context.Context, client io.Writer, c *mo
 				InReplyToName: status.Account.Acct,
 				ReplyContent:  content,
 			},
+			DarkMode: c.Session.Settings.DarkMode,
 		}
 	}
 
@@ -401,6 +405,7 @@ func (svc *service) ServeThreadPage(ctx context.Context, client io.Writer, c *mo
 		statuses[i].ShowReplies = true
 		statuses[i].ReplyMap = replyMap
 		statuses[i].MaskNSFW = c.Session.Settings.MaskNSFW
+		statuses[i].DarkMode = c.Session.Settings.DarkMode
 		addToReplyMap(replyMap, statuses[i].InReplyToID, statuses[i].ID, i+1)
 	}
 
@@ -444,6 +449,7 @@ func (svc *service) ServeNotificationPage(ctx context.Context, client io.Writer,
 		if notifications[i].Status != nil {
 			notifications[i].Status.CreatedAt = notifications[i].CreatedAt
 			notifications[i].Status.MaskNSFW = c.Session.Settings.MaskNSFW
+			notifications[i].Status.DarkMode = c.Session.Settings.DarkMode
 			switch notifications[i].Type {
 			case "reblog", "favourite":
 				notifications[i].Status.HideAccountInfo = true
@@ -476,6 +482,7 @@ func (svc *service) ServeNotificationPage(ctx context.Context, client io.Writer,
 		HasNext:       hasNext,
 		NextLink:      nextLink,
 		CommonData:    commonData,
+		DarkMode:      c.Session.Settings.DarkMode,
 	}
 	err = svc.renderer.RenderNotificationPage(ctx, client, data)
 	if err != nil {
@@ -507,8 +514,10 @@ func (svc *service) ServeUserPage(ctx context.Context, client io.Writer, c *mode
 
 	for i := range statuses {
 		statuses[i].MaskNSFW = c.Session.Settings.MaskNSFW
+		statuses[i].DarkMode = c.Session.Settings.DarkMode
 		if statuses[i].Reblog != nil {
 			statuses[i].Reblog.MaskNSFW = c.Session.Settings.MaskNSFW
+			statuses[i].Reblog.DarkMode = c.Session.Settings.DarkMode
 		}
 	}
 
@@ -528,6 +537,7 @@ func (svc *service) ServeUserPage(ctx context.Context, client io.Writer, c *mode
 		HasNext:    hasNext,
 		NextLink:   nextLink,
 		CommonData: commonData,
+		DarkMode:   c.Session.Settings.DarkMode,
 	}
 
 	err = svc.renderer.RenderUserPage(ctx, client, data)
@@ -723,6 +733,7 @@ func (svc *service) ServeSearchPage(ctx context.Context, client io.Writer, c *mo
 		hasNext = len(results.Statuses) == 20
 		for i := range results.Statuses {
 			results.Statuses[i].MaskNSFW = c.Session.Settings.MaskNSFW
+			results.Statuses[i].DarkMode = c.Session.Settings.DarkMode
 		}
 
 	}
@@ -827,6 +838,7 @@ func (svc *service) getCommonData(ctx context.Context, client io.Writer, c *mode
 
 		data.HeaderData.NotificationCount = notificationCount
 		data.HeaderData.FluorideMode = c.Session.Settings.FluorideMode
+		data.HeaderData.DarkMode = c.Session.Settings.DarkMode
 	}
 
 	return
diff --git a/service/transport.go b/service/transport.go
index d89b854..0072f95 100644
--- a/service/transport.go
+++ b/service/transport.go
@@ -448,12 +448,14 @@ func NewHandler(s Service, staticDir string) http.Handler {
 		threadInNewTab := req.FormValue("thread_in_new_tab") == "true"
 		maskNSFW := req.FormValue("mask_nsfw") == "true"
 		fluorideMode := req.FormValue("fluoride_mode") == "true"
+		darkMode := req.FormValue("dark_mode") == "true"
 		settings := &model.Settings{
 			DefaultVisibility: visibility,
 			CopyScope:         copyScope,
 			ThreadInNewTab:    threadInNewTab,
 			MaskNSFW:          maskNSFW,
 			FluorideMode:      fluorideMode,
+			DarkMode:      darkMode,
 		}
 
 		err := s.SaveSettings(ctx, w, nil, settings)
diff --git a/static/fluoride.js b/static/fluoride.js
index 25ab4a3..6a1b5fb 100644
--- a/static/fluoride.js
+++ b/static/fluoride.js
@@ -1,8 +1,12 @@
 var actionIcons = {
 	"like": "/static/icons/star-o.png",
+	"dark-like": "/static/icons/dark-star-o.png",
 	"unlike": "/static/icons/liked.png",
+	"dark-unlike": "/static/icons/liked.png",
 	"retweet": "/static/icons/retweet.png",
-	"unretweet": "/static/icons/retweeted.png"
+	"dark-retweet": "/static/icons/dark-retweet.png",
+	"unretweet": "/static/icons/retweeted.png",
+	"dark-unretweet": "/static/icons/retweeted.png"
 };
 
 var reverseActions = {
@@ -31,7 +35,11 @@ function http(method, url, success, error) {
 }
 
 function updateActionForm(id, f, action) {
-	f.children[1].src = actionIcons[action];
+	if (Array.from(document.body.classList).indexOf("dark") > -1) {
+		f.children[1].src = actionIcons["dark-" + action];
+	} else {
+		f.children[1].src = actionIcons[action];
+	}
 	f.action = "/" + action + "/" + id;
 	f.dataset.action = action;
 }
diff --git a/static/main.css b/static/main.css
index 553c9a2..acbca05 100644
--- a/static/main.css
+++ b/static/main.css
@@ -99,8 +99,8 @@
 }
 
 .status-action a:hover,
-.status-action a:hover i {
-	opacity: 0.8;
+.status-action input:hover {
+	opacity: 0.6;
 }
 
 .status-action a.status-time {
@@ -442,3 +442,29 @@
 	z-index: 3;
 	margin: 0 8px 0 8px;
 }
+
+.dark {
+	background-color: #222222;
+	background-image: none;
+	color: #eaeaea;
+}
+
+.dark a {
+	color: #81a2be;
+}
+
+.dark .status-action a {
+	color: #999999;
+}
+
+.dark #post-content {
+	background-color: #333333;
+	border: 1px solid #444444;
+	color: #eaeaea;
+}
+
+.dark #reply-popup,
+.dark #reply-to-popup {
+	background-color: #222222;
+	border-color: #444444;
+}
diff --git a/templates/header.tmpl b/templates/header.tmpl
index d511590..10afe8a 100644
--- a/templates/header.tmpl
+++ b/templates/header.tmpl
@@ -12,4 +12,4 @@
 	<script src="/static/fluoride.js"></script>
 	{{end}}
 </head>
-<body>
+<body {{if .DarkMode}}class="dark"{{end}}>
diff --git a/templates/notification.tmpl b/templates/notification.tmpl
index d68382f..79d6d90 100644
--- a/templates/notification.tmpl
+++ b/templates/notification.tmpl
@@ -14,7 +14,7 @@
 		<div>
 			<div class="notification-info-text">
 				<span class="status-dname"> {{EmojiFilter .Account.DisplayName .Account.Emojis}} </span>  
-				<img class="icon" src="/static/icons/user-plus.png" alt="followed" />
+				<img class="icon" src="{{GetIcon "user-plus" .DarkMode}}" alt="followed" />
 				<span> followed you </span>
 			</div>
 			<div class="notification-follow-uname">
@@ -36,7 +36,7 @@
 		<div>
 			<div class="notification-info-text">
 				<span class="status-dname"> {{EmojiFilter .Account.DisplayName .Account.Emojis}} </span>  
-				<img class="icon" src="/static/icons/retweeted.png" alt="retweeted" />
+				<img class="icon" src="{{GetIcon "retweeted" .DarkMode}}" alt="retweeted" />
 				<span> retweeted your post </span>
 			</div>
 			{{template "status" .Status}}
@@ -53,7 +53,7 @@
 		<div>
 			<div class="notification-info-text">
 				<span class="status-dname"> {{EmojiFilter .Account.DisplayName .Account.Emojis}} </span>  
-				<img class="icon" src="/static/icons/liked.png" alt="liked" />
+				<img class="icon" src="{{GetIcon "liked" .DarkMode}}" alt="liked" />
 				<span> liked your post </span>
 			</div>
 			{{template "status" .Status}}
diff --git a/templates/postform.tmpl b/templates/postform.tmpl
index 4e2d4a4..ff70eaf 100644
--- a/templates/postform.tmpl
+++ b/templates/postform.tmpl
@@ -6,7 +6,7 @@
 	<label for="post-content" class="post-form-title"> New post </label>
 	{{end}}
 	<a class="post-form-emoji-link" href="/emojis" target="_blank" title="emoji reference">
-		<img class="icon post-emoji" src="/static/icons/smile-o.png" alt="emojis" />
+		<img class="icon post-emoji" src="{{GetIcon "smile-o" .DarkMode}}" alt="emojis" />
 	</a>
 	<div class="post-form-content-container">
 		<textarea id="post-content" name="content" class="post-content" cols="50" rows="5">{{if .ReplyContext}}{{.ReplyContext.ReplyContent}}{{end}}</textarea>
diff --git a/templates/settings.tmpl b/templates/settings.tmpl
index d15c47b..06e2a9a 100644
--- a/templates/settings.tmpl
+++ b/templates/settings.tmpl
@@ -28,6 +28,10 @@
 		<input id="fluoride-mode" name="fluoride_mode" type="checkbox" value="true" {{if .Settings.FluorideMode}}checked{{end}}>
 		<label for="fluoride-mode"> Enable Fluoride Mode </label>
 	</div>
+	<div class="settings-form-field">
+		<input id="dark-mode" name="dark_mode" type="checkbox" value="true" {{if .Settings.DarkMode}}checked{{end}}>
+		<label for="dark-mode"> Use dark theme </label>
+	</div>
 	<button type="submit"> Save </button>
 </form>
 
diff --git a/templates/status.tmpl b/templates/status.tmpl
index 9c9d55d..91d666d 100644
--- a/templates/status.tmpl
+++ b/templates/status.tmpl
@@ -5,7 +5,7 @@
 			<img class="status-profile-img" src="{{.Account.AvatarStatic}}" alt="avatar" />
 		</a>
 		<span class="status-dname"> {{EmojiFilter .Account.DisplayName .Account.Emojis}} </span>  
-		<img class="icon" src="/static/icons/retweeted.png" alt="retweeted" />
+		<img class="icon" src="{{GetIcon "retweeted" .DarkMode}}" alt="retweeted" />
 		retweeted
 	</div>
 	{{template "status" .Reblog}}
@@ -28,17 +28,17 @@
 				</a>
 				<a class="status-visibility">
 					{{if eq .Visibility "public"}}
-					<img class="icon" src="/static/icons/globe.png" alt="Public" title="Public" />
+					<img class="icon" src="{{GetIcon "globe" .DarkMode}}" alt="Public" title="Public" />
 					{{else if eq .Visibility "unlisted"}}
-					<img class="icon" src="/static/icons/unlock-alt.png" alt="Unlisted" title="Unlisted" />
+					<img class="icon" src="{{GetIcon "unlock-alt" .DarkMode}}" alt="Unlisted" title="Unlisted" />
 					{{else if eq .Visibility "private"}}
-					<img class="icon" src="/static/icons/lock.png" alt="Private" title="Private" />
+					<img class="icon" src="{{GetIcon "lock" .DarkMode}}" alt="Private" title="Private" />
 					{{else if eq .Visibility "direct"}}
-					<img class="icon" src="/static/icons/envelope.png" alt="Direct" title="Direct" />
+					<img class="icon" src="{{GetIcon "envelope" .DarkMode}}" alt="Direct" title="Direct" />
 					{{end}}
 				</a>
 				<a class="remote-link" href="{{.URL}}" target="_blank" title="source">
-					<img class="icon" src="/static/icons/link.png" alt="source" />
+					<img class="icon" src="{{GetIcon "link" .DarkMode}}" alt="source" />
 				</a>
 			</div>
 			{{end}}
@@ -46,7 +46,7 @@
 				{{if .InReplyToID}}
 				<div class="status-reply-to">
 					<a class="status-reply-to-link" href="{{if not .ShowReplies}}/thread/{{.InReplyToID}}{{end}}#status-{{.InReplyToID}}"> 
-						<img class="icon" src="/static/icons/mail-forward.png" alt="reply to" /> reply to {{.Pleroma.InReplyToAccountAcct}} 
+						<img class="icon" src="{{GetIcon "mail-forward" .DarkMode}}" alt="reply to" /> reply to {{.Pleroma.InReplyToAccountAcct}} 
 					</a>
 				</div>
 				{{if index .ReplyMap .ID}} <span class="status-reply-info-divider"> - </span> {{end}}
@@ -93,7 +93,7 @@
 			<div class="status-action-container"> 
 				<div class="status-action">
 					<a class="status-you" href="/thread/{{.ID}}?reply=true#status-{{.ID}}" title="reply"> 
-						<img class="icon" src="/static/icons/reply.png" alt="reply" />
+						<img class="icon" src="{{GetIcon "reply" .DarkMode}}" alt="reply" />
 					</a>
 					<a class="status-reply-count" href="/thread/{{.ID}}#status-{{.ID}}" {{if .ThreadInNewTab}}target="_blank"{{end}}>
 						{{DisplayInteractionCount .RepliesCount}}
@@ -102,18 +102,18 @@
 				<div class="status-action">
 					{{if or (eq .Visibility "private") (eq .Visibility "direct")}}
 					<a class="status-retweet" title="this status cannot be retweeted"> 
-						<img class="icon" src="/static/icons/retweet.png" alt="retweet" />
+						<img class="icon" src="{{GetIcon "retweet" .DarkMode}}" alt="retweet" />
 					</a>
 					{{else}}
 					{{if .Reblogged}}
 					<form class="status-retweet" data-action="unretweet" action="/unretweet/{{.ID}}" method="post">
 						<input type="hidden" name="retweeted_by_id" value="{{.RetweetedByID}}" />
-						<input type="image" src="/static/icons/retweeted.png" alt="undo retweet" class="icon" title="undo retweet">
+						<input type="image" src="{{GetIcon "retweeted" .DarkMode}}" alt="undo retweet" class="icon" title="undo retweet">
 					</form>
 					{{else}}
 					<form class="status-retweet" data-action="retweet" action="/retweet/{{.ID}}" method="post">
 						<input type="hidden" name="retweeted_by_id" value="{{.RetweetedByID}}" />
-						<input type="image" src="/static/icons/retweet.png" alt="retweet" class="icon" title="retweet">
+						<input type="image" src="{{GetIcon "retweet" .DarkMode}}" alt="retweet" class="icon" title="retweet">
 					</form>
 					{{end}}
 					{{end}}
@@ -125,12 +125,12 @@
 					{{if .Favourited}}
 					<form class="status-like" data-action="unlike" action="/unlike/{{.ID}}" method="post">
 						<input type="hidden" name="retweeted_by_id" value="{{.RetweetedByID}}" />
-						<input type="image" src="/static/icons/liked.png" alt="unlike" class="icon" title="unlike">
+						<input type="image" src="{{GetIcon "liked" .DarkMode}}" alt="unlike" class="icon" title="unlike">
 					</form>
 					{{else}}
 					<form class="status-like" data-action="like" action="/like/{{.ID}}" method="post">
 						<input type="hidden" name="retweeted_by_id" value="{{.RetweetedByID}}" />
-						<input type="image" src="/static/icons/star-o.png" alt="like" class="icon" title="like">
+						<input type="image" src="{{GetIcon "star-o" .DarkMode}}" alt="like" class="icon" title="like">
 					</form>
 					{{end}}
 					<a class="status-like-count" href="/likedby/{{.ID}}" title="click to see the the list"> 
diff --git a/templates/user.tmpl b/templates/user.tmpl
index 53de635..60536bb 100644
--- a/templates/user.tmpl
+++ b/templates/user.tmpl
@@ -14,7 +14,7 @@
 			<span class="status-dname"> {{EmojiFilter .User.DisplayName .User.Emojis}} </span>  
 			<span class="status-uname"> {{.User.Acct}} </span>
 			<a class="remote-link" href="{{.User.URL}}" target="_blank" title="remote profile">
-				<img class="icon" src="/static/icons/link.png" alt="link" />
+				<img class="icon" src="{{GetIcon "link" .DarkMode}}" alt="link" />
 			</a>
 		</div>
 		<div>