não sei onde estou errando mas os icones não aparecem, se alguem puder ajudar
obrigado
<!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>Moms Help - 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="assets/css/reset.css" >
<link rel="stylesheet" href="assets/css/estilos.css">
</head>
<body>
<header class="cabecalho">
<button class="cabecalho__menu" aria-label="Menu"><i></i></button>
<img src="assets/img/marca.png" alt="Logo Moms help" class="cabecalho__logo">
<button class="cabecalho__notificacao" aria-label="Notificação"><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);
}
.cabecalho__logo {
width: 40px;
}
.cabecalho__menu i ::before {
content: "\e904";
font-size: 24px;
}
.cabecalho__notificacao i ::before {
content: "\e906";
}