diff --git a/docs/elements/buttons.md b/docs/elements/buttons.md
index 61a6e73..b2b46b8 100644
--- a/docs/elements/buttons.md
+++ b/docs/elements/buttons.md
@@ -1,5 +1,5 @@
 ---
-description: Interactions with <button> and <a> tag.
+description: Interactions with button and a tags.
 ---
 
 Interactions with `button` and `a` tags.
diff --git a/docs/elements/file-inputs.md b/docs/elements/file-inputs.md
index 3ef1b0d..b91c221 100644
--- a/docs/elements/file-inputs.md
+++ b/docs/elements/file-inputs.md
@@ -1,5 +1,5 @@
 ---
-description: Interactions with <input> tag with attribute [@type="file"].
+description: Interactions with input tag with attribute [@type="file"].
 ---
 
 Interactions with `input` with attribute `type="file"`.
diff --git a/docs/elements/forms.md b/docs/elements/forms.md
index d5459d5..8d388e2 100644
--- a/docs/elements/forms.md
+++ b/docs/elements/forms.md
@@ -1,5 +1,5 @@
 ---
-description: Interactions with <form> tag.
+description: Interactions with form tag.
 ---
 
 Interactions with `form` tag.
diff --git a/docs/elements/images.md b/docs/elements/images.md
index bcc3ec5..8d39924 100644
--- a/docs/elements/images.md
+++ b/docs/elements/images.md
@@ -1,5 +1,5 @@
 ---
-description: Interactions with <img> tag.
+description: Interactions with img tag.
 ---
 
 Interactions with `img` tag.
diff --git a/docs/elements/inputs.md b/docs/elements/inputs.md
index d9b257a..99de31a 100644
--- a/docs/elements/inputs.md
+++ b/docs/elements/inputs.md
@@ -1,5 +1,5 @@
 ---
-description: Interactions with <input> and <textarea> tags.
+description: Interactions with input and textarea tags.
 ---
 
 Interactions with `input` and `textarea` tags.
diff --git a/docs/elements/lists.md b/docs/elements/lists.md
index 6fc347c..ab48c9e 100644
--- a/docs/elements/lists.md
+++ b/docs/elements/lists.md
@@ -1,5 +1,5 @@
 ---
-description: Interactions with <ol> and <ul> tag.
+description: Interactions with ol and ul tag.
 ---
 
 Interactions with `ol` and `ul` tags.
diff --git a/docs/elements/selects.md b/docs/elements/selects.md
index b8be198..11c4539 100644
--- a/docs/elements/selects.md
+++ b/docs/elements/selects.md
@@ -1,5 +1,5 @@
 ---
-description: Interactions with <select> tag.
+description: Interactions with select tag.
 ---
 
 Interactions with `select` tag.
diff --git a/docs/elements/tables.md b/docs/elements/tables.md
index d658a86..9bafce9 100644
--- a/docs/elements/tables.md
+++ b/docs/elements/tables.md
@@ -1,5 +1,5 @@
 ---
-description: Interactions with <table> tag.
+description: Interactions with table tag.
 ---
 
 Interactions with `table` tag.
diff --git a/docs/interactions/keyboard.md b/docs/interactions/keyboard.md
index 6313a45..3920529 100644
--- a/docs/interactions/keyboard.md
+++ b/docs/interactions/keyboard.md
@@ -25,6 +25,9 @@ fastrpa.core.keyboard.Keyboard
 
 ```python linenums="1"
 web.keyboad.keys
+```
+
+```python title="Output"
 ['ADD',
  'ALT',
  'ARROW_DOWN',
diff --git a/tests/test_app_fastrpa.py b/tests/test_app_fastrpa.py
index 63cd9a8..6bc7429 100644
--- a/tests/test_app_fastrpa.py
+++ b/tests/test_app_fastrpa.py
@@ -1,10 +1,11 @@
 from unittest.mock import patch, MagicMock
-from selenium.webdriver import ChromeOptions
+from selenium.webdriver import ChromeOptions, FirefoxOptions
 from fastrpa import FastRPA
+from fastrpa.app import Web
 
 
 @patch('fastrpa.app.Remote')
-def test_create_generical_instance_use_remote_webdriver(remote_mock: MagicMock):
+def test_generical_instance_use_remote_webdriver(remote_mock: MagicMock):
     FastRPA().web()
     assert remote_mock.call_count == 1
 
@@ -13,4 +14,63 @@ def test_create_generical_instance_use_remote_webdriver(remote_mock: MagicMock):
 def test_get_generical_browser_options():
     options = FastRPA().browser_options
     assert type(options) is ChromeOptions
-    assert options.arguments == ['--start-maximized', '--ignore-certificate-errors']
+    assert options.arguments == [
+        '--start-maximized',
+        '--ignore-certificate-errors',
+    ]
+
+
+@patch('fastrpa.app.Remote', MagicMock())
+def test_get_specific_browser_options_class():
+    fastrpa = FastRPA(options_class=FirefoxOptions)
+    options = fastrpa.browser_options
+    assert type(options) is FirefoxOptions
+    assert options.arguments == [
+        '--start-maximized',
+        '--ignore-certificate-errors',
+    ]
+
+
+@patch('fastrpa.app.Remote', MagicMock())
+def test_get_specific_browser_arguments():
+    fastrpa = FastRPA(browser_arguments=['arg1', 'arg2'])
+    options = fastrpa.browser_options
+    assert type(options) is ChromeOptions
+    assert options.arguments == ['arg1', 'arg2']
+
+
+@patch('fastrpa.app.Remote', MagicMock())
+def test_get_specific_browser_arguments_and_options_class():
+    fastrpa = FastRPA(
+        options_class=FirefoxOptions, browser_arguments=['arg1', 'arg2']
+    )
+    options = fastrpa.browser_options
+    assert type(options) is FirefoxOptions
+    assert options.arguments == ['arg1', 'arg2']
+
+
+@patch('fastrpa.app.Remote')
+def test_webdriver_is_quitting(remote_mock: MagicMock):
+    quit_mock = MagicMock()
+    remote_mock.return_value = MagicMock(quit=quit_mock)
+    fastrpa = FastRPA()
+    del fastrpa
+    assert quit_mock.call_count == 1
+
+
+@patch('fastrpa.app.Remote', MagicMock())
+def test_get_web_instance():
+    fastrpa = FastRPA(timeout=99)
+    web = fastrpa.web()
+    assert type(web) is Web
+    assert web.timeout == 99
+
+
+@patch('fastrpa.app.Remote', MagicMock())
+@patch('fastrpa.app.Web')
+def test_get_web_instance_and_browse(web_mock: MagicMock):
+    browse_mock = MagicMock()
+    web_mock.return_value = MagicMock(browse=browse_mock)
+    FastRPA().web('some-url')
+    assert browse_mock.call_count == 1
+    assert browse_mock.call_args.args == ('some-url',)