18 background-color: #
0f0;
21 background-color: #
0d0;
24 background-color: #
090;
27 background-color: #
060;
30 background-color: #
030;
35 <div class=
"horizontal-box">
36 <div class=
"first"></div><div class=
"second"></div><div class=
"third"></div><div class=
"fourth"></div>
39 <div class=
"horizontal-box">
40 <div class=
"first"></div><div class=
"second"></div><div class=
"third"></div><div class=
"fourth"></div>
43 <div class=
"horizontal-box">
44 <div class=
"first"></div><div class=
"second"></div><div class=
"third"></div><div class=
"fourth"></div>
47 <div class=
"horizontal-box">
48 <div class=
"first"></div><div class=
"second"></div><div class=
"third"></div><div class=
"fourth"></div>
51 <div class=
"horizontal-box">
52 <div class=
"first"></div><div class=
"second"></div><div class=
"third"></div><div class=
"fourth"></div>
55 <div class=
"horizontal-box">
56 <div class=
"first"></div><div class=
"second"></div><div class=
"third"></div><div class=
"fourth"></div>
59 <div class=
"horizontal-box">
60 <div class=
"first"></div><div class=
"second"></div><div class=
"third"></div><div class=
"fourth"></div>
63 <div class=
"horizontal-box">
64 <div class=
"first"></div><div class=
"second"></div><div class=
"third"></div><div class=
"fourth"></div>
67 <div class=
"horizontal-box">
68 <div class=
"first"></div><div class=
"second"></div><div class=
"third"></div><div class=
"fourth"></div>
71 <div class=
"horizontal-box">
72 <div class=
"first"></div><div class=
"second"></div><div class=
"third"></div><div class=
"fourth"></div>
75 <div class=
"horizontal-box">
76 <div class=
"first"></div><div class=
"second"></div><div class=
"third"></div><div class=
"fourth"></div>
81 <div style=
"position:absolute; left: -10000px;">You should see identical green bars going from light green
82 (left) to dark green (right).
</div>