.balloon-002 {
    display: flex;
    justify-content: center;
    position: relative;
    max-width: 300px;
    margin:150px;
    padding: .8em 1.2em;
    border-radius: 5px;
    background-color: #f2f2f2;
    color: #333333;
}

.balloon-002::before {
    position: absolute;
    top: -15px;
    width: 30px;
    height: 15px;
    background-color: #f2f2f2;
    clip-path: polygon(50% 0, 0 100%, 100% 100%);
    content: '';
}