body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background-image: linear-gradient(135deg, #2980b9, #b120eb);
}

header {
    background-image: url(./assets/IA.jpg );
    background-repeat: no-repeat;
    background-size: cover;
    /* cobre todo o header */
    background-position: center;
    height: 200px;
    color: white;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-bottom: 10px;
}

main {
    padding: 20px;
    max-width: 1000px;
    /* largura máxima */
    margin: 0 auto;
    /* centraliza horizontalmente */
    /* background-color: oklch(93.647% 0.00756 16.518 / 0.97); */
    border-radius: 4px;
    color: white;
    text-align: justify;
}
img {
    float: right;
    padding: 20px;
}
frame {
    display: block;
    margin: 20px auto;
    width: 100%;
    height: 400;
    border-radius: 8px;
}
a {
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
    color: #f4ed1d;
}

section ul {
    list-style-type: none;
    /* remove bolinhas */
    padding-left: 0;
    /* tira o espaçamento à esquerda */
}

footer {
    color: white;
    text-align: center;
    padding: 15px;
    font-size: 14px;
    background-image: linear-gradient(135deg, #2980b9, #b120eb);
}

footer a img {
    vertical-align: middle;
    margin: 0 5px;
}

footer p {
    margin: 5px 0;
}