.container-graf{
    margin-top: 0px;
    margin-bottom: 5%;
    margin-left: 75px;
    margin-right: 75px;
  }
  .graf{
    height: 520px;
  }
  main {
    margin-top: 2rem;
    padding: 0rem;
    max-width: 90%;
    margin: auto;
    height: 100%;
}

.market-summary, .chart, .trading-actions {
    margin-bottom: 5rem;
    align-items: center;
}


.chart-placeholder {
    background-color: #ddd;
    height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #777;
}

.trading-actions .btn {
    padding: 0.75rem 1.5rem;
    margin: 0.5rem;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.buy {

    background-color: #4caf50;
    color: white;
    font-size: 18px;
    align-items: center;
}

.sell {
    font-size: 18px;
    align-items: center;
    background-color: #f44336;
    color: white;
}