I am working with a canvas and trying to position an HTML element over it using CSS. My goal is for the button to remain in place on the canvas even when resizing the entire page. Here is the code I am currently using.
https://jsfiddle.net/z4fhrhLc/
#button {position:absolute; top:40%; left:30%;}
To accomplish this task, create a separate container for both the canvas and the button. Here is an example of how you can achieve this:
.canvas-container{
position: relative;
width: 500px;
height: 500px;
}
#canvas {
position: absolute;
background-color: lightgrey;
}
#button {
position: absolute;
left: 30%;
top: 40%;
}<div class="canvas-container">
<canvas id='canvas' width='500px' height='500px'></canvas>
<button id='button'>Click me</button>
</div>Make sure to set the width and height of the canvas-container to match the dimensions of the canvas itself, otherwise the button's position will be affected.
Experiment with updating the CSS property of #canvas to position: relative;
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