PhonicsGame_master/app.wxss

/**app.wxss**/
.container {
  width:100%;
  justify-content: flex-start;
} 

::-webkit-scrollbar {
  width: 0;
  height: 0;
  color: transparent;
  display: none;
}

.FlexColumn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.FlexRow {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}