CSS Engineering

• Layout
• Theme
• Radius Border
• Gradient
• Shadow
• Transform
• Animation

• No namespace
• No macros
• No mixins
• No function
• No variable

 .text {
    color: blue;
}

 .marketing-section-enterprise {
    overflow: hidden;
    max-height: 375px;
    padding-bottom: 20px;
    margin-top: 10px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    background-color: #614381;
    background-image: -moz-linear-gradient(#202d5f, #614381);
    background-image: -webkit-linear-gradient(#202d5f, #614381);
    background-image: linear-gradient(#202d5f, #614381);
    background-repeat: repeat-x;
    border-bottom: 0;
    box-shadow: inset 0 10px 20px rgba(0,0,0,0.1);
    color: #fff;
}

.marketing-section-enterprise.marketing-inline {
    margin-bottom: 30px;
}

.marketing-section-enterprise h1>a {
    color: inherit;
    text-decoration: none;
}

.marketing-section-enterprise .marketing-header .lead {
    color: #cecbda;
}

.marketing-section-enterprise .marketing-button {
    display: inline-block;
    margin-top: 20px;
    margin-bottom: 20px;
    padding: 9px 15px;
    border-radius: 4px;
    font-size: 18px;
    background-color: #1d6ac8;
    background-image: -moz-linear-gradient(#45b3f3, #1d6ac8);
    background-image: -webkit-linear-gradient(#45b3f3, #1d6ac8);
    background-image: linear-gradient(#45b3f3, #1d6ac8);
    background-repeat: repeat-x;
    box-shadow: 0 1px 1px rgba(0,0,0,0.25);
    text-shadow: 0 -1px 0 rgba(0,0,0,0.25);
    text-decoration: none;
    color: #fff;
}

.marketing-section-enterprise .marketing-button:hover {
    background-position: 0 -10px;
}

• Base
• Layout
• Module
• State
• Theme

• Keep style separate from content
• Avoid specificity by harnessing the cascade