body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    position: relative;
    padding-top: 0;
    overflow: hidden;
}

.powerbi-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 0;
    box-sizing: border-box;
    position: relative;
}

iframe {
    width: 100%;
    height: 100%;
    border: none;
    box-shadow: none;
    background-color: white;
    position: absolute;
    top: 0;
    left: 0;
}

.botao-atualizar {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 10px 20px;
    background-color: #0078D4;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    transition: background-color 0.3s;
    z-index: 1000;
}

.botao-atualizar:hover {
    background-color: #005a9e;
}