Após ler e tenta a soluções dos colegas em outros tópicos vim aqui mostra meu cogido e pedir que se possível alguém me dê uma luz.
<!DOCTYPE html>
<html lang="pt-br">
<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>HZC | Home</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&display=swap">
<link rel="stylesheet" href="css/reset.css">
<link rel="stylesheet" href="css/istilos.css">
</head>
<body>
<header class="cabecalho">
<button class="cabecalho__menu"><i></i></button>
<img src="img/logo.svg" alt="LogotipodaHZC" class="cabecalho__logo">
<button class="cabecalho__notificacao"><i></i></button>
</header>
</body>
</html>
@font-face {
font-family: 'icones';
src: url(font/icones.ttf);
}
body{
background-color:#1D232A;
font-family: 'Open Sans','icones', sans-serif;
color:#ffffff;
}
.cabecalho {
display: flex;
justify-content: space-between;
align-items: center;
background-color:#15191C;
padding: 8px 16px;
box-shadow:0px 4px 4px rgba(0, 0, 0, 0.16) ;
}
.cabecahlo__menu i ::before{
content: "\e904";
font-size: 24px;
}
.cabecahlo__notificacao i ::before{
content: "\e906";
font-size: 24px;
}