.d-flex {
    display: -webkit-flexbox !important;
    display: -moz-flexbox !important;
    display: -ms-flexbox !important;
    display: -o-flexbox !important;
    display: flex !important;
}

.flex-fill {
    -webkit-flex: 1 1 auto !important;
    -moz-flex   : 1 1 auto !important;
    -ms-flex    : 1 1 auto !important;
    -o-flex     : 1 1 auto !important;
    flex        : 1 1 auto !important;
}

.align-items-center {
    -webkit-flex-align: center !important;
    -moz-flex-align   : center !important;
    -ms-flex-align    : center !important;
    -o-flex-align     : center !important;
    align-items       : center !important;
}

.justify-content-center {
    -webkit-flex-pack: center !important;
    -moz-flex-pack   : center !important;
    -ms-flex-pack    : center !important;
    -o-flex-pack     : center !important;
    justify-content  : center !important;
}

.flex-column {
    -webkit-flex-direction: column !important;
    -moz-flex-direction   : column !important;
    -ms-flex-direction    : column !important;
    -o-flex-direction     : column !important;
    flex-direction        : column !important;
}

.justify-content-between {
    -ms-flex-pack: justify!important;
    justify-content: space-between!important;
}