html {
    
}

body {
    background: #fff;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.06);
    color: #545454;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    margin: 0 auto;
    max-width: 800px;
    padding: 2em 2em 4em;
}

#video_background {
position: absolute;
bottom: 0px;
right: 0px;
min-width: 100%;
min-height: 100%;
width: auto;
height: auto;
z-index: -1000;
overflow: hidden;
opacity: 0.6;
}


#video_pattern {
background:#fff;
position: fixed;
opacity: 0.1;
left: 0px;
top: 0px;
width: 100%;
height: 100%;
z-index: 1;
}

#logo {
    
    width: 250px;
    height: 250px;
    margin: 20px;
    margin-top: 150px;
}

.contenedor {
    
    display: flex;
    justify-content: center;
}

@media (max-width:900px) {
    
    #logo {
        
        margin-bottom: 10px;
        width: 100px;
        height: 100px;
        margin-top: auto;
    }
    
    .contenedor {
        
        flex-direction: column;
        align-items: center;
    }
    
}