use display: flex instead of float right for time and icons
remove #edit-with-js-bin style

was left over from moving from js bin
remove unnecessary outline declaration for textarea

this style rule is already defined
add margin: 0 and padding: 0 to * to simplify css

resets every element to 0 margin and 0 padding so that we don't have to
specify this for body and ul
use flexbox to position left aside and right notes layout

instead of using floats