.container {
    max-width: 400px;
    margin: 50px auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
}
.form-group {
    margin-bottom: 15px;
}
label {
    display: block;
    margin-bottom: 5px;
}
input {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
}
button {
    padding: 10px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.tabs {
    display: flex;
    margin-bottom: 20px;
}
.tab {
    padding: 10px;
    cursor: pointer;
    border: 1px solid #ccc;
    flex: 1;
    text-align: center;
}
.tab.active {
    background-color: #007bff;
    color: white;
}