html{ background-color: black; } #listSources{ border: black; padding: 10px; border-radius: 30px; background-color: white; } #listSourceBottom{ border-top: solid; padding-top: 10px; text-align: center; width: 400px; } #refresh{ margin: 10px; background-color: white; padding: 10px; border-radius: 30px; text-align: center; width: 100px; } #buttonRefresh{ padding: 10px; } .source{ display: flex; align-items: center; } #pageRight{ display: flex; flex-direction: column; align-items: center; }