[Projeto] Lista de exercícios | HTML e CSS: cabeçalho, footer e variáveis CSS

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge"> 
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Portfolio</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <header>

    </header>
    <main class="apresentacao">
        <section class="apresentacao__conteudo">
            <h1 class="apresentacao__conteudo__titulo">
                Eleve seu negócio digital a outro nível 
                <strong class="titulo-destaque">com um Front-end de qualidade!
                </strong></h1>
                <p class="apresentacao__conteudo__texto">Olá! Sou Joana Santos, desenvolvedora 
                Front-end com especialidade em <strong>React, HTML e
                CSS</strong>. Ajudo pequenos negócios e designers a 
                colocarem em prática boas ideias. Vamos 
                conversar?</p>
            <div class="apresentacao__links">
                <h2 class="apresentacao__links_subtitulo">Acesse minhas redes: </h2>
                <a class="apresentacao__links__link" href="https://instagram.com/marichaconn">Instagram
                    <img src="./assets/instagram.png"> 
                </a>
                <a class="apresentacao__links__link" href="https://github.com/mhchacon">GitHub
                    <img src="./assets\github.png">
                </a>
                <a class="apresentacao__links__link" href="https://www.linkedin.com/in/mariana-chacon-b7100729a/"> Linkedin
                    <img src="./assets/linkedin.png"> 
                </a>
            </div>
        </section>
        <img src="Imagem.png" alt="Foto da Joana Santos programando">
    </main>
    <footer>
        
    </footer>
</body>
</html>

CSS

@import url('https://fonts.googleapis.com/css2?family=Krona+One&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Krona+One&family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Montserrat+Alternates:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

*{
    margin: 0;
    padding: 0;
}


body{
    height: 100vh;
    box-sizing: border-box;
    background-color: #000000;
    color: #F6F6F6;
}

.titulo-destaque{
    color: #22D4FD;
}
.apresentacao{
    margin: 10% 15%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.apresentacao__conteudo{
    width: 615px;
    height: 482px;
    display: flex;
    flex-direction: column;
    gap: 40px;
}
.apresentacao__conteudo__titulo{
    font-family: "Krona One", sans-serif;
    font-size: 36px;
}
.apresentacao__conteudo__texto{
    font-family: "Montserrat", sans-serif;
    font-size: 24px;

}
.apresentacao__links{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}
.apresentacao__links__subtitulo{
    font-family: 'Krona One', sans-serif;
    font-weight: 400;
    font-size: 24px;
}
.apresentacao__links__link{
    /* background-color: #22D4FD; */
    display: flex;
    justify-content: center;
    gap: 16px;
    width: 380px;
    text-align: center;
    border-radius: 8px;
    font-size: 24px;
    padding: 21.5px 0px;
    text-decoration: none;
    color: #F6F6F6;
    font-family: "Montserrat Alternates", sans-serif;
    font-weight: 600;
    border: 2px solid #22D4FD;
}
.apresentacao__links__link:hover{
    color: #272727;
}