:root {
    --color-text: red;
    --color-fond: #f3f3f3ed;
    --color-body: #d3d3d3;
}

@media(prefers-color-scheme: dark){
    :root {
        --color-body: #333;
        --color-fond: #d1d1d1;
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: var(--color-body);
    height: 100vh;
}

form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.login-box {
    background-color: var(--color-fond);
    padding: 2rem;
    width: 80%;
    height: 80%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 2rem;
    gap: 1rem;
}

.login-box h1 {
    color: var(--color-text);
    font-size: 3rem;
    text-align: center;
}

.login-box p {
    margin-bottom: 20px;
    color: #333;
    font-weight: 600;
    text-align: center;
}

.login-box #BtnSeConnecter, .login-box #BtnAcceuil, .login-box #BtnInscription {
    background-color: green;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 5px;
    font-weight: 800;
    text-transform: uppercase;
    cursor: pointer;
}

    .login-box #BtnSeConnecter:hover, .login-box #BtnInscription:hover {
        background-color: darkgreen;
    }

.login-box #BtnAcceuil {
    background-color: red;
}

    .login-box #BtnAcceuil:hover {
        background-color: darkred;
    }

@media (max-width: 680px){
    .login-box h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px){
    .login-box h1 {
        font-size: 1.5rem;
    }
}