#ini{
    width: 100%;
    align-self: center;
    position: relative;
    display: inline-block;
}

form{
    position:absolute;
    left: 1.25em;
    top:11.5em;
    opacity: .85;
}

@media (min-width: 576px) {
    #ini{
        width: 100%;
        align-self: center;
        position: relative;
        display: inline-block;
    }
    form{
        position:fixed;
        left: 15em;
        top:5em;
        opacity: .85;
    }
}

@media (min-width: 900px) {
    #ini{
        width: 100%;
        align-self: center;
        position: relative;
        display: inline-block;
    }
    form{
        position:fixed;
        left: 23em;
        top:5em;
        opacity: .85;
    }
}