section{display:table}.button-row{display:table-cell}.flex-container{display:flex;flex-wrap:wrap}.button-container{display:flex;justify-content:center;width:50px;margin:5px}.codes-row{display:table-cell;width:auto}.code-container{display:flex;justify-content:center;width:50px;margin:10px}button{font-size:2em;width:75px;height:50px;padding:5px;background-color:#fff;border-radius:5px}.triangle{background-color:#00f;color:#fff}.square{background-color:gold;color:#fff}.circle{background-color:purple;color:#fff}.label{font-size:1.5em;margin:10px}.selectedCode{background-color:#000;color:gray}.selectedVerificateur{background-color:green;color:#fff}.cdk-overlay-pane{background-color:#fff}