.clickable {
		cursor: pointer;
}
.clicked {
		background-color: #e6e6e6;
}
#game {
		margin-top: 20px;
}
#welcomeMessage {
		font-size: 36px;
}
#score {
		font-size: 36px;
}
.dropzone, .letter {
		display: flex;
		justify-content: center;
		align-items: center;
		border: 2px solid #555;
		background-color: #f0f0f0;
		width: 50px;
		height: 50px;
		font-size: 36px;
		margin: 5px;
		border-radius: 5px;
}
.highlight {
		background-color: #90ee90;
}
.incorrect {
		background-color: #f08080;
}
@keyframes flashRed {
    0% { background-color: #f08080; }
    50% { background-color: #f0f0f0; }
    100% { background-color: #f08080; }
}

.flash {
    animation: flashRed 0.5s ease;
}