Leandro Moreira leandromoreira

58 bytes of CSS to look great nearly everywhere

When making this website, i wanted a simple, reasonable way to make it look good on most displays. Not counting any minimization techniques, the following 58 bytes worked well for me:

main {
  max-width: 38rem;
  padding: 2rem;
  margin: auto;
}

Introduction

This table shows the current implementation status of several multimedia fomats by popular tools and browsers. All tests were run with the latest available version, or git HEAD for open source software.

Symbols mean

✅ fully supported
❗ unsupported
💭 work in progress
1️⃣️ see notes

	'Emulate max() as fully as possible in pure Python.'

	# https://stackoverflow.com/questions/69997857/implementation-of-max-function-in-python/69997876#69997876
	# https://github.com/python/mypy/issues/7231

	from typing import TypeVar, Any, Iterator, Iterable, Optional
	from typing import Union, Protocol, Callable, cast, Tuple, overload


	class SupportsGT(Protocol):

	def package_local_targets(input_dir, output_dir):
	trace = 'package_local_targets'
	os.chdir(input_dir)

	try:
	print(f"{trace}: create directory {output_dir}")
	os.makedirs(output_dir)
	except FileExistsError:
	print(f"delete existing {output_dir}")
	shutil.rmtree(output_dir)

	# webm - mp4
	ffmpeg -hide_banner \
	-re -f lavfi -i "testsrc2=size=1280x720:rate=30,format=yuv420p" \
	-f lavfi -i "sine=frequency=220:beep_factor=4:duration=5" \
	-c:v libx264 -preset ultrafast -tune zerolatency -profile:v high \
	-b:v 1400k -bufsize 2800k -x264opts keyint=30:min-keyint=30:scenecut=-1 \
	-c:a aac -b:a 128k \
	-window_size 5 -extra_window_size 10 -remove_at_exit 1 -adaptation_sets "id=0,streams=v id=1,streams=a" \
	-fflags +genpts \
	-movflags isml+frag_keyframe output.mpd

	https://www.gtplanet.net/how-gran-turismo-is-made/
	https://www.fia.com/news/auto-changing-game
	https://www.youtube.com/watch?v=I8GQCZgCNw8
	https://www.gtplanet.net/dr-kazunori-yamauchi-gives-lecture-gran-turismos-driving-physics-production/
	https://www.gtplanet.net/polyphony-digital-reveals-gt-sports-iris-ray-tracing-system-at-cedec-2018
	https://www.youtube.com/watch?v=VxL9j-j7JaI
	https://www.youtube.com/watch?v=FPX2qRQAnBo
	https://www.youtube.com/watch?v=QESGXTFFZXM
	https://www.youtube.com/watch?v=-FrybeCxDPU
	https://www.youtube.com/watch?v=ygUqvfeAaa0

	#! /bin/sh

	file="bbb_sunflower_2160p_30fps_normal.mp4"
	timestamp=`date +%s`
	ffmpeg="docker run --rm -it --workdir /tmp -v $PWD:/tmp kynothon/moviola:4.0-alpine "
	bento4="docker run -it --rm -u $(id -u):$(id -g) -v $PWD:/tmp --workdir /tmp ggoussard/bento4docker "

	echo "Getting the file"
	curl -LO http://distribution.bbb3d.renderfarming.net/video/mp4/bbb_sunflower_2160p_30fps_normal.mp4

	function [ref_ii, ref_jj, blk_residual] = block_match(blk, frame)

	% frame and block dimensions
	[H, W] = size(frame);
	blk_size = size(blk, 1);

	ref_ii = 1;
	ref_jj = 1;
	err = (255 ^ 2) * (blk_size ^ 2);
	blk_residual = 255 * ones(blk_size, blk_size);

	% it creates a simple gray image (4x4)
	I = [255, 255, 30, 100
	255, 50, 90, 20
	70, 70, 20, 10
	100, 20, 10, 0];
	% it converts it to grayscale
	I = mat2gray(I);
	% shows it
	imshow(I);