.left-margin{
    margin:0 .5em 0 0;
}

.right-button-margin{
    margin: 0 0 1em 0;
    overflow: hidden;
}

/* some changes in bootstrap modal */
.modal-body {
    padding: 20px 20px 0px 20px !important;
    text-align: center !important;
}

.modal-footer{
    text-align: center !important;
}