			button{
				width: 150px;
				word-wrap: normal;
			}
			.bar{
				height: 150px;
			}
			.center {
			  display: flex;
			  justify-content: center;
			  align-items: center;
			  height: 350px;
			  border: 1px solid; 
			}
			.box{
				width: 75px; 
			  text-align: center;
				/*border: 1px solid red;*/
			}
			.minus{
				width: 25px; 
				height: 25px;
			}