* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: #f7f9f9;
}

.centre {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.tweet-card {
    background: white;
    width: 500px;
    padding: 16px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.profile-picture {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.textbox {
    flex-grow: 1;
    font-size: 20px;
    border: none;
    outline: none;
    color: #0f1419;
}

.textbox::placeholder {
    color: #536471;
}

.tweet-button {
    background-color: rgb(29, 155, 240);
    color: white;
    font-size: 15px;
    font-weight: 700;
    padding: 0 16px;
    height: 36px;
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.tweet-button:hover {
    background-color: rgb(26, 140, 216);
}