www: show whole shell command at once
www: show whole shell command at once

Makes the width of the shell box slightly larger and the font size slightly smaler.

Fixes: https://github.com/rust-lang/rustup/issues/2207

nodakai/rustup.rs,rust-lang/rustup,nodakai/rustup.rs,nodakai/rustup.rs,nodakai/rustup.rs,inejge/rustup.rs,rust-lang/rustup,nodakai/rustup.rs,inejge/rustup.rs,rust-lang/rustup,inejge/rustup.rs,rust-lang/rustup,inejge/rustup.rs,rust-lang/rustup,inejge/rustup.rs