Chat Bubble

<div class="chat-bubble">Hello!</div>

.chat-bubble {
    padding: 15px 20px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 20px 20px 20px 5px;
    font-weight: 600;
    max-width: 200px;
    position: relative;
    animation: bubbleIn 0.5s ease-out;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.chat-bubble::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: -10px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 15px 15px;
    border-color: transparent transparent #667eea transparent;
}

@keyframes bubbleIn {
    0% {
        transform: scale(0) translateY(20px);
        opacity: 0;
    }
    100% {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}