@import url(https://fonts.googleapis.com/css?family=Open+Sans);

#wrap {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

#wrap p {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
    color: rgba(255,255,255,.5);
    font-size: 30px;
    text-transform: uppercase;
    letter-spacing: 5px;
    text-align: center;
}

.ball {
    pointer-events: none;
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: gray;
    animation: implode 1s ease-in-out;
    animation-fill-mode: both;
    opacity: .5;
}

@keyframes implode {
    100% {transform: scale(0)}
}