#launch{
    width: 100%;
    height: 100vh;
    position: relative;
    background-image: url("../img/servicio-corte-laser.png");
}

video#fondo{
    background-size: cover;
    position: fixed;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    
}

#frase{
    color: white;
    width: 60%;
    margin: auto;
    text-align: center;
    height: 100%;
    display: flex;
    align-items: center;
    letter-spacing: 8px;
    position: relative;
}

#frase h1{
    font-size: 45px;
    margin: 0 auto;
}

#frase span{
    background: rgba(54,159,255,0.6);
    padding: 0 8px;
}

#flecha{
    color: white;
    position: relative;
    bottom: 150px;
    font-size: 40px;
    text-align: center;
    animation-name: example;
    animation-duration: 2s;
    animation-iteration-count: infinite;
    width: 100px;
    margin: 0 auto;
}

@keyframes example {
    0%   {bottom: 150px; opacity: 0.2;}
    50% {bottom: 100px; opacity: 1}
    100% {bottom: 80px; opacity: 0}
}