* {
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
    color: #fff;
}

body {
    background-color: #26324d;
}

main {
    max-width: 250px;
    margin: 100px auto;
}

.coin-container {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 25px;
}

.coin {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 5px 5px 5px 0;
}

.bitcoin-item {
    background-color: rgb(242, 169, 0);
}

.dollar-item {
    opacity: 0;
    background-color: #85bb65;
    animation-duration: .5s;
    animation-fill-mode: forwards;
    animation-name: opacity;
}

@keyframes opacity {
    from {
      opacity: 0;
    }
  
    to {
        opacity: 1;
    }
}