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How do I give text or an image a transparent background using CSS?

..." media="all"> .transparent-background-with-text-and-images-on-top { background: rgb(0, 0, 0) transparent; /* Fallback for web browsers that doesn't support RGBa */ background: rgba(0, 0, 0, 0.6); /* RGBa with 0.6 opacity */ filter:progid:DXImage...
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Change Default Scrolling Behavior of UITableView Section Header

...m here is that it looses a little bit of bounce when scrolling back to the top. {NOTE: The "40" should be the exact height of YOUR section 0 header. If you use a number that is bigger than your section 0 header height, you'll see that finger-feel is affected (try like "1000" and you'll see the b...
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Why does CSS not support negative padding?

...r div within the outer div: .vertical-align { position: absolute; top:50%; padding-top:-50%; overflow: visible; } Allow me to explain... Absolutely positioning the inner div's top at 50% places the top edge of the inner div at the center of the outer div. Pretty simple. This is b...
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Maintain aspect ratio of div but fill screen width and height in CSS?

...177.78vh; /* 16/9 = 1.778 */ margin: auto; position: absolute; top:0;bottom:0; /* vertical center */ left:0;right:0; /* horizontal center */ } * { margin: 0; padding: 0; } div { width: 100vw; height: 56.25vw; /* 100/56.25 = 1.778 */ background: pink; max-...
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what is the basic difference between stack and queue?

... Imagine a stack of paper. The last piece put into the stack is on the top, so it is the first one to come out. This is LIFO. Adding a piece of paper is called "pushing", and removing a piece of paper is called "popping". Imagine a queue at the store. The first person in line is the first ...
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How do I change Bootstrap 3 column order on mobile layout?

I'm making a responsive layout with a top fixed navbar. Underneath I have two columns, one for a sidebar (3), and one for content (9). Which on desktop looks like this ...
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Cross-browser custom styling for file upload button [duplicate]

...wing: label.myLabel input[type="file"] { position:absolute; top: -1000px; } /***** Example custom styling *****/ .myLabel { border: 2px solid #AAA; border-radius: 4px; padding: 2px 5px; margin: 2px; background: #DDD; display: inline-block; } .myLab...
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How to align absolutely positioned element to center?

... an element without knowing it's width and height do: position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); Example: *{ margin:0; padding:0; } section{ background:red; height: 100vh; width: 100vw; } div{ width: 80vw; height: 80vh; backgroun...
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Why doesn't std::queue::pop return value.?

...): template<class T> class queue { T* elements; std::size_t top_position; // stuff here T pop() { auto x = elements[top_position]; // TODO: call destructor for elements[top_position] here --top_position; // alter queue state here return x; ...
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jQuery: How can i create a simple overlay?

...CSS for cross browser opacity of 0.5: #overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: #000; filter:alpha(opacity=50); -moz-opacity:0.5; -khtml-opacity: 0.5; opacity: 0.5; z-index: 10000; } This will be your jQue...