how we customize Material Ui dilogbox background overlay - css

I want to customize MuiBackdrop-root as well as the Dialog model and fully responsive please guide me if someone knows.
Thanks
My Try
WANT TO EXPECT

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How to enable horizontal scrolling with keyboard keys?

I bought Plexar theme on envato. It's an HTML theme based on Bulma, that I'm using for a personal project.
I have adapted it to my will and upload it here : http://journalbarre.com/tharwa/
But I would like to add the possibility to scroll on the page horizontally using the right and left keyboard keys. Here, the scrolling is possible with the mouse wheel but not with the keyboard. I would be very grateful if someone could provide me some help...
Thanks
yinans
you are using swiper so you should take a look here https://swiperjs.com/api/#keyboard maybe it will help you

How to create a grid style homepage for website?

can anyone tell me how to do like a grid layout homepage please?[how to code it or where to find this information.
the squares should respond/change colour or image when the mouse hovers over to show they can be clicked. i'd like to be able to have different sized and shaped squares too.
cheers
pic related
enter image description here
You can use boostrap ui components
E.g.
http://www.bootply.com/70929

Correct way to build a tooltip

All:
Could anyone show me some best practice about tooltip design, the tooltip in my project is like(I am currently using D3.js):
[1] It can be used across multiple charts, accepting html string
passed to it
[2] It need to be correctly position no matter if the
viewport has scale transformation applied or not
That is it. Thanks for help( modulized plugin-style is appreciated, event better if this tooltip can be a AngularJS directive)
I suggest you use Angular UI Bootstrap tooltips. You can find their documentation here.

Difficult in making a separate LAYOUT in GWT java app

i am looking forward to make a welcome screen of my web app like the picture i shown..
here is a pic of example:
http://img600.imageshack.us/img600/4144/1j5h.png
The truth is i have tested many almost all the panels that GWT has to offer, and still i cannot make it.
For example:
The upper header, i made it with a DockLayoutPanel like this:
DockLayoutPanel Header = new DockLayoutPanel(unit.PCT);
header.setStyleName(¨fw¨);
header.setWidht("100%");
header.setHeight("35px");
header.addEast(ingresar,15);
header.addEast(pass,15);
header.addEast(user,15);
Using that panel, i can have all the 2 boxes and the button on the right corner of the screen, and with AUTO-WITDH.
*(even i cannot pad the red button)..
As you can check the horizontal Center Panel has a different style, i create it as Horizontal Panel, but when i do :
header.add(center_panel);
It is useless, the css from header will ofuscate the css from horizontal panel, also i cannot get the box right in the CENTER.
i have zero experience in GWT, i would like if someone can tell me the way, because i am using panels and i am not quite sure that i am using the right ones for this tasks, or the best ones.
THanks very much
Facundo
If you don't have much experience in GWT components try creating the UI with using GWT UI Binder. Its much more similar to creating a layout with html and css. Also you can use most of the html elements such as divs,spans etc.. GWT Uibinder
You can give styles on individual panels like,
for horizontal,
HorizontalPanel hp=new HorizontalPanel();
hp.setStyleName("");

How to make the direction of UI in JQueryMobile Apps from right to left

how to display UIs components direction from right to left, do I need to change the css code manually, or is there an easier way to do that from the library itself ?
For now, you indeed have to modify the CSS rules yourself.
See these posts on the jQuery Mobile forum for details.
You have to change both CSS AND JavaScript (To make sliders and flip switches work), however, I made these changes for both current jQuery Mobile versions and uploaded for anyone to use: http://www.intlaqa.com/jquery-mobile-rtl

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