html{
    box-sizing: border-box;
    font-size: 62.5%;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif
}

*,
*::after
*::before{
    margin: 0;
    padding: 0;
    font-family: inherit;
    box-sizing: inherit;
}

.intro {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    z-index: 1;
    background: #000000;
    transition: 1s;
}

.intro img{
    top: 200px;
    position: absolute;
    animation: logoRC 6s ease-in-out infinite;
    transition: all 150ms;
}

@keyframes logoRC {
    0% {
        transform: translateY(10px);
    }

    25% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(10px);
    }
}

.intro p{
    color: gray;
    font-size: 1.6rem;
    margin-top: 10px;
}

.logo{
    font-size: 2.5rem;
    color: #FFFFFF
}

.logo-parts{  /* letras del logo 1 por 1 */
    position: relative;
    display: inline-block;
    bottom: -20px;
    opacity: 0;
}

.logo-parts.active{
    bottom: 0;
    opacity: 1;
    transition: ease-in-out.5s;
}

.logo-parts.fade{
    bottom: 250px;
    opacity: 0;
    transition: ease-in-out .5s;
}

.content {
    width: 100%;
    padding: 50px;
    font-size: 2rem;
}