.input-group{
				    position: relative;
				    display: flex;
				    flex-wrap: wrap;
				    align-items: stretch;
				    width: 100%;
			}
			
			.input-group>.custom-file, .input-group>.custom-select, .input-group>.form-control, .input-group>.form-control-plaintext{
					position: relative;
					flex: 1 1 auto;
					width: 1%;
					margin-bottom: 0;
			}
			.input-group-append{
				margin-left: -1px;
			}
			.input-group-append, .input-group-prepend{
				display: flex;
			}
			.input-group>.input-group-append>.btn, .input-group>.input-group-append>.input-group-text, .input-group>.input-group-prepend:first-child>.btn:not(:first-child), .input-group>.input-group-prepend:first-child>.input-group-text:not(:first-child), .input-group>.input-group-prepend:not(:first-child)>.btn, .input-group>.input-group-prepend:not(:first-child)>.input-group-text{
				border-top-left-radius: 0;
    			border-bottom-left-radius: 0;
			}