.modal.in .modal-dialog {
    top: 50vh;
    transform: translateY(-50%);
    margin: 0 auto;
    width: 490px;
}

.modal-content {
    border-radius: 0;
    border-color: #fff;
    box-shadow: none;
}

.modal-header {
    border: none;
}

.modal-title {
    
    font-weight: bold;
    color: #1a1732;
}

button.close {
    outline: 0;
    line-height: 25px;
    opacity: 1;
    color: #fff;
}

.close {
    text-shadow: none;
    font-size: 25px;
}

.modal-body {
    color: #a4a4a4;
    
    padding: 5px 20px;
    position: relative;
    padding: 0;
    text-align: center;
}

.modal {
    background-color: rgba(0,0,0,0.4);
    z-index: 600;
}

.grafico {
    width: 470px;
    height: 320px;
}

.modal-backdrop.in {
    z-index: 500;
}