cd "${HOME}/Library/Application Support/abnerworks.Typora/themes"
wget https://github.com/elitistsnob/typora-cobalt-theme/releases/download/v1.4/typora-cobalt-theme-master-v1.4.zip
unzip typora-cobalt-theme-master-v1.4.zip cobalt.css cobalt/*
This works well on a 13" laptop
https://theme.typora.io/theme/cobalt/
html {
background: #141b28;
font-size: 1.1rem;
}
Underneath body
#write {
background: #131b29;
color: #a9aaab;
margin: 0 auto;
max-width: 100%;
padding: 30px;
padding-bottom: 100px;
position: static;
width: 90%;
}