.columns {
    float: none;
    margin: 0 auto;
}


.flex-between {
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: space-between;
    justify-content: space-between;
}

.form button[type="submit"], button[type="button"] {
    float: right;
    padding: 5px 10px;
    margin: 0 3px;
}


#button_edit {
    margin-top: 5px;
    height: 25px;
    padding: 1px 5px;
    margin-bottom: 0;
}

#button_delete {
    margin-top: 5px;
    height: 25px;
    padding: 1px 5px;
    margin-bottom: 0;
}