/* This is a single-line comment */

/* * aplica a tudo */
* {
    /* margem externa */
    margin:0;

    /* margem interna */
    padding: 0;

    /* margem interna e externa são definidas dentro do tabanho max do elemento */
    box-sizing: border-box;
}

body {

    /* sans-serif: sem-decoração*/
    font-family: Arial, Helvetica, sans-serif;

    /* cor de fundo */
    background-color: #7e57b9;

    display: flex;

    justify-content: center;

    padding-top: 60px;
}

/* definir caracteristicas da classe*/
.card {
    background-color: #fff;
    width: 300px;
    padding: 24px;
    border-radius: 12px;
    border-left: 6px solid rgb(3, 3, 3);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .08);
}

/* aplicar apenas ao elemento h1 do class="card-header" */
.card-header h1{
    font-size: 1.4rem;
    color: #1a1a1a;

}

.card-header .tag {
    color:rgb(0, 0, 0);
    font-weight: 600;
    font-size: .85rem;
    margin-top: 4px;
    margin-bottom: 1rem;

}

.card-body p {
    color: #555;
    line-height: 1.5;
    font-size: .95rem;
}