body {
    font-family: 'Arial', sans-serif;
    background-color: #ffffff;
    color: #000;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

header {
    position: fixed;
    background-color: #000;
    top: 0;
    left: -50;
    width: 100%;
    padding: 20px 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 99;
}


.navigation a {
    position: relative;
    font-size: 1.1em;
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    margin-left: 40px;
}

.navigation a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 3px;
    background: #fff;
    border-radius: 5px;
    transform-origin: right;
    transform: scaleX(0);
    transition: transform .5s;

}
.navigation a:hover::after {
    transform-origin: left;
    transform: scaleX(1);

}

.navigation .btnLogin-popup {
    width: 130px;
    height: 50px;
    background: transparent;
    border: 2px solid #fff;
    outline: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.1em;
    color: #fff;
    font-weight: 500;
    margin-left: 40px;
    transition: .5s;
}

.navigation .btnLogin-popup:hover {
    background: #fff;
    color: #162938;

}

h1, h2 {
    color: #ffffff;
}

form {
    width: 70%;
    max-width: 600px;
}

div {
    margin-bottom: 20px;
    width: 100%;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #000;
}

select, input, textarea {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    box-sizing: border-box;
}

button {
    background-color: #000;
    color: #fff;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #333;
}

ul {
    list-style: none;
    padding: 0;
}


.date-container {
    display: flex;
    justify-content: space-between;
    width: 50%; /* Ajuste selon tes besoins */
    margin-top: 40px;
}

.date-container li {
    width: 48%; /* Ajuste selon tes besoins */
}

.date-container label.date-label {
    vertical-align: top;
}