cosmetic fixes & hoverovers

src/skins/vector/css/_common.scss

@@ -211,6 +211,10 @@ textarea {
     background-color: $accent-fg-color;
 }
 
+.mx_Dialog button:hover, .mx_Dialog input[type="submit"]:hover {
+    @mixin mx_DialogButton_hover;
+}
+
 .mx_Dialog button:focus, .mx_Dialog input[type="submit"]:focus {
     filter: brightness($focus-brightness);
 }
@@ -277,6 +281,10 @@ textarea {
     @mixin mx_DialogButton_small;    
 }
 
+.mx_textButton:hover {
+    @mixin mx_DialogButton_hover;
+}
+
 .mx_button_row {
     margin-top: 69px;
 }

src/skins/vector/css/matrix-react-sdk/structures/_UserSettings.scss

@@ -69,6 +69,10 @@ limitations under the License.
     margin: auto;
 }
 
+.mx_UserSettings_button:hover {
+    @mixin mx_DialogButton_hover;
+}
+
 .mx_UserSettings_button.danger {
     background-color: $warning-color;
 }

src/skins/vector/css/matrix-react-sdk/structures/login/_Login.scss

@@ -85,6 +85,10 @@ limitations under the License.
     margin-bottom: 24px;
 }
 
+.mx_Login_submit:hover {
+    @mixin mx_DialogButton_hover;
+}
+
 .mx_Login_submit:disabled {
     opacity: 0.3;
 }
@@ -131,8 +135,7 @@ limitations under the License.
 }
 
 .mx_Login_forgot {
-    font-size: 13px;
-    opacity: 0.8;
+    font-size: 15px;
 }
 
 .mx_Login_forgot:link {

src/skins/vector/css/matrix-react-sdk/views/rooms/_MemberDeviceInfo.scss

@@ -31,6 +31,10 @@ limitations under the License.
     flex: 1;
 }
 
+.mx_MemberDeviceInfo_textButton:hover {
+    @mixin mx_DialogButton_hover;
+}
+
 .mx_MemberDeviceInfo_deviceId {
     font-size: 13px;
 }

src/skins/vector/css/matrix-react-sdk/views/rooms/_RoomHeader.scss

@@ -48,6 +48,10 @@ limitations under the License.
     order: 2;
 }
 
+.mx_RoomHeader_textButton:hover {
+    @mixin mx_DialogButton_hover;
+}
+
 .mx_RoomHeader_textButton_danger {
     background-color: $warning-color;
 }

src/skins/vector/css/matrix-react-sdk/views/rooms/_RoomSettings.scss

@@ -26,6 +26,12 @@ limitations under the License.
     position: relative;
     margin-right: 8px;
 }
+
+.mx_RoomSettings_leaveButton:hover,
+.mx_RoomSettings_unbanButton:hover {
+    @mixin mx_DialogButton_hover;
+}
+
 .mx_RoomSettings_integrationsButton_error {
     position: relative;
     cursor: not-allowed;

src/skins/vector/css/themes/_base.scss

@@ -154,6 +154,9 @@ $progressbar-color: #000;
     display: inline-block;
 }
 
+@define-mixin mx_DialogButton_hover {
+}
+
 @define-mixin mx_DialogButton_small {
     @mixin mx_DialogButton;
     font-size: 15px;