body{
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    font-weight: bold;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1{
    font-size: 3.5rem;
    color:hsl(0, 0%, 20%);
}

.choices{
    margin-bottom: 30px;
}

button{
    font-size: 7.5rem;
    min-width: 160px;
    padding: 20px 40px;
    margin: 0 10px;
    border-radius: 250px;
    background-color: hsl(240, 100%, 50%);
    cursor: pointer;
    transition: background-color 0.25s ease;
}

button:hover {
    background-color: hsl(180, 100%, 50%);
}
#playerDisplay, #computerDisplay{
    font-size: 2.5rem;
}
#resultDisplay{
    font-size: 5rem;
    margin: 30px 0;
}
.scoreDisplay{
    font-size: 2rem;
}

.greenText, #playerScoreDisplay {
    color: hsl(84, 100%, 59%)
}
.redText, #computerScoreDisplay {
    color: hsl(0, 100%, 50%)
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

greenText.fadeIn ~.resultDisplay {
    animation: fadeIn 2s ease-out forwards;
}

.redText.fadeIn ~.resultDisplay {
    animation: fadeIn 2s ease-out forwards;
}