body {
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: Verdana, Arial, Helvetica, sans-serif;
}

.content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    margin: 7%;
    font-size: 14px;
}

.form-group {
    margin-bottom: 15px;
}

.form-radio {
    margin-bottom: 10px;
}

.form-radio label {
    display: inline-block;
    margin-left: 5px;
    font-size: 14px;
    color: #333756;
}

#divRetorno {
    margin-top: 10px;
}

.button-container {
    text-align: center;
    margin-top: 30px;
}

.button-confirm {
    padding: 10px 30px;
    background-color: #333756;
    color: #ffffff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.button-confirm:hover {
    background-color: #454a7c;
}


.spinner {
    border: 4px solid #f3f3f3; /* Light grey */
    border-top: 4px solid #3498db; /* Blue */
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
    display: none; /* Escondido inicialmente */
    margin-left: 10px;
    vertical-align: middle;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}