body {
    background-color: #222;
    color: #fff;
    font-family: 'Roboto', sans-serif; /* Adicionado Roboto Light */
    font-weight: 200; /* Define o peso da fonte para Light */
    display: flex;
    box-sizing: border-box;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.container {
    background-color: #fff;
    color: #01609a;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    width: 80%; /* Ajuste para responsividade */
    max-width: 400px;  Largura máxima para telas maiores 
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #01609a;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

input {
    width: 100% /*calc(100% - 22px)*/;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

button {
    background-color: #01609a;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
}

button:hover {
    background-color: #0177c0;
}

/* Responsividade */
@media (max-width: 600px) {
    .container {
        padding: 20px;
    }

    input, button {
        font-size: 14px;
    }
}

.alunos {
	float: left;
}