line-height should be 1.1875

font-size:
line-height:
line-height unitless:

Testing this
5 Lines
height:
Expected: x
Result: x

h1
H1 in a section should have same font-size and same margins

H1 in div

H1 in section

more content

Nested dl, ol, ul

dl dl: dl > dt > dl > dt dl > dt > dl > dd: dl > dd
dl ol: dl > dt > ol > li: dl > dd
dl ul: dl > dt > ul > li: dl > dd

ol dl:

ol > li > dl > dt

ol > li > dl > dd

ul dl:

ul > li > dl > dt

ul > li > dl > dd

hr
border-color sould be blue
height should be 0 (red background-color not visible)
should overflow wrapper element (content-box, width:100%)

b, string
font-weight:100:

span
this is a b, strong

font-weight:400:

span
this is a b, strong

font-weight:500:

span
this is a b, strong

font-weight:600:

span
this is a b, strong

pre, code, kbd, samp

pre
12345

code span mono span
kbd span mono span
samp span mono span

table
border-color should be currentColor not grey.

Table Cell
Table Cell line 2

button, input, select: margin:0

button, select text-transform not inherited

UpperCase

input size-attr

size=1
size=4
size=20
no size

/** * Correct the inability to style buttons in iOS and Safari. */ button, [type="button"], [type="reset"], [type="submit"] { -webkit-appearance: button; }

progress element should be vertical-align baseline

Synergistically network sticky potentialities and installed base systems.
Synergistically network. 70%

textarea
margin:0

baseline-source:first

baseline

type=search

  Correct the odd appearance in Chrome and Safari.
  [type="search"] {
    -webkit-appearance: textfield;
  }
  Remove the inner padding in Chrome and Safari on macOS.
  ::-webkit-search-decoration {
    -webkit-appearance: none;
  }

  Correct the cursor style of increment and decrement buttons in Safari.
  ::-webkit-inner-spin-button,
  ::-webkit-outer-spin-button {
    height: auto;
  }

placeholder
not a fixed color, instead opacity. color inherits

file button /** * 1. Correct the inability to style upload buttons in iOS and Safari. * 2. Change font properties to `inherit` in Safari. */ ::-webkit-file-upload-button { -webkit-appearance: button; /* 1 */ font: inherit; /* 2 */ }