css grid sidebar main content fluid layout with fallback
this is a continuation from the original post with added fallback for older browsers that do no support the grid elements yet.
I have tested this fallback in IE11 and it seems to work well, if you want your column layout to behave normally in older non css grid browsers. This uses the @supports css tag.
The difference with this is that the divs stay at a % if it does not support grid.
Resize in IE11
Here you can see how both columns change size when the screen is resized.
Resize in Chrome
And here you can see the fixed width of the left, while the right content resizes.
css
.widgets {
width:30%;
float:left;
}
.page-content {
width:60%;
float:left;
margin-left:20px;
}
@supports (display: grid) {
.widgets {
width:auto;
float:none;
}
.page-content {
width:auto;
float:none;
margin-left:0px;
}
}
.middle-content {
background:#FFF;
box-shadow: 0 1px 2px 0 rgba(0,0,0,.15);
padding:20px 20px;
margin:40px auto;
overflow:auto;
display: grid;
grid-gap: 20px;
grid-template-columns: 240px auto;
grid-template-areas: "widgets content";
}
.widgets {
grid-area: widgets;
}
.page-content {
background:#CCC;
grid-area: content;
}
.box {
background:#666;
padding:30px;
border-radius: 5px;
min-height:300px;
}
html
<div class='wrap middle-content'>
<div class='widgets'>
<div class='box'></div>
</div>
<div class='page-content'>
<div class='box'></div>
</div>
</div>
example
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"Olivia, my eldest daughter, caught measles when she was seven years old. As the illness took its usual course I can remember reading to her often in bed and not feeling particularly alarmed about it. Then one morning, when she was well on the road to recovery, I was sitting on her bed showing her how to fashion little animals out of coloured pipe-cleaners, and when it came to her turn to make one herself, I noticed that her fingers and her mind were not working together and she couldn’t do anything. 'Are you feeling all right?' I asked her. 'I feel all sleepy,' she said. In an hour, she was unconscious. In twelve hours she was dead. The measles had turned into a terrible thing called measles encephalitis and there was nothing the doctors could do to save her. That was...in 1962, but even now, if a child with measles happens to develop the same deadly reaction from measles as Olivia did, there would still be nothing the doctors could do to help her. On the other hand, there is today something that parents can do to make sure that this sort of tragedy does not happen to a child of theirs. They can insist that their child is immunised against measles. ...I dedicated two of my books to Olivia, the first was ‘James and the Giant Peach’. That was when she was still alive. The second was ‘The BFG’, dedicated to her memory after she had died from measles. You will see her name at the beginning of each of these books. And I know how happy she would be if only she could know that her death had helped to save a good deal of illness and death among other children."
I just checked google books for BFG, and the dedication is there.
https://www.google.com.au/books/edition/_/quybcXrFhCIC?hl=en&gbpv=1
Roald Dahl, 1986