مراکز پژوهشی
html { box-sizing: border-box; } *, *:before, *:after { box-sizing: inherit; } .my-wrapper .column { width: 50%; margin-bottom: 16px; padding: 0 8px; margin-bottom: 16px; padding: 0 8px; -ms-flex-preferred-size: 50%; flex-basis: 50%; -webkit-box-flex: 1; ...