#passwordStrength2 {
    display: inline-block;
}

#caixascaracteres {
    margin-left: 8.5rem;
}

@media screen and (max-width: 640px) {
    #caixascaracteres {
        margin-left: 1.5rem;
        display: block;
    }

    .strengthNone {
        width: 0px !important;
        background: #FFF;
    }

    .strength0 {
        width: 16% !important;
        background: #FF0000;
    }

    .strength1 {
        width: 32% !important;
        background: #FF0000;
    }

    .strength2 {
        width: 48% !important;
        background: #FF0000;
    }

    .strength3 {
        width: 64% !important;
        background: #FF0000;
    }
    
    .strength4 {
        width: 80% !important;
        background: #4dcd00;
    }

    .strength5 {
        width: 102% !important;
        background: #0D8F2C;
    }
}