Predefinição:TestesWiki/styles.css

.IntroCard {
    position: relative;
    height: 100%;
    color: #2b282c;
}
*, :after, :before {
    box-sizing: border-box;
}
div {
    display: block;
}
.IntroCard:before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: #c6b7a0;
}