body {
padding-top: 40px;
}
rainbow {
margin-bottom: 20px;
}
.rainbow-color {
width: 100%; height: 2px; opacity: 0.6;
}
.red { background-color: ff0000; } .orange { background-color: ff8000; } .yellow { background-color: ffff00; } .green { background-color: #008000; } .blue { background-color: #0000ff; } .indigo { background-color: #4b0082; } .violet { background-color: #9400d3; }