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CSS loading spinner with a semi-transparent background

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I need a semi-transparent background that covers the whole page, with a semi-transparent spinner to indicate the page is still in loading process. I want a simple plain CSS solution. Anybody can show me how?

Vincent  5 months ago   viewed: 1816    

1 Answer

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1. Add the following element in the page (anywhere):

<div id="cover-spin"></div>

2. Also add the following styles in the stylesheet:

#cover-spin { position:fixed; width:100%; left:0;right:0;top:0;bottom:0; background-color: rgba(255,255,255,0.7); z-index:9999; display:none; } @-webkit-keyframes spin { from {-webkit-transform:rotate(0deg);} to {-webkit-transform:rotate(360deg);} } @keyframes spin { from {transform:rotate(0deg);} to {transform:rotate(360deg);} } #cover-spin::after { content:''; display:block; position:absolute; left:48%;top:40%; width:40px;height:40px; border-style:solid; border-color:black; border-top-color:transparent; border-width: 4px; border-radius:50%; -webkit-animation: spin .8s linear infinite; animation: spin .8s linear infinite; }


How to Use

By default, the element will not be visible as it has been styled as {display:none;}

You can show it when you need it. For example:

<button onclick="$('#cover-spin').show(0)">Save</button>

Another Way to Use

You don't need to add the element into the page initially as shown in the beginning. And you can style it as {display:block;} instead of {display:none;}. You can dynamically add the element when you need it. For example:

<button onclick="$('#contentContainer').html('<div id=\'cover-spin\'></div>'); myAjaxSave();">Save</button>


Milo
  5 months ago

   

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