    <style>


	/* Container for flexboxes */
	.row {
	  display: flex;
	  flex-wrap: wrap;
	}

	/* Create two equal columns */
	.column {
	  flex: 50%;
	  padding: 20px;
	}

	/* On screens that are 992px wide or less, go from four columns to two columns */
	@media screen and (max-width: 992px) {
	  .column {
		flex: 100%;
	  }
	}

	/* On screens that are 600px wide or less, make the columns stack on top of each other instead of next to each other */
	@media screen and (max-width: 600px) {
	  .row {
		flex-direction: column;
		flex-direction: col-md-6;
	  }
	}

		
		.containervcb {
			display: flex;
			align-items: flex-end !important; /* Căn chỉnh các phần tử theo đáy */
		}


          .contentqr {
            text-align: center; /* Căn giữa văn bản bên trong */
			margin: 5px;
			color: blue;
          }


          .instructions {
            font-size: 14px;
            line-height: 1.0;
            color: #333;
            margin-bottom: 10px;
          }
          .highlight {
            color: #FF0000; /* Màu đỏ cho câu cuối */
            font-weight: bold;
          }


		.qr-container {
					position: relative;
					display: inline-block;
					margin: 15px;
				}
		.qr-logo {
					position: absolute;
					top: 50%;
					left: 50%;
					transform: translate(-50%, -50%);
				}


        #qrcode {
            position: relative;
            display: inline-block;
			margin: 15px;
        }

        #noidung {
            border: 1px solid #ccc;
            padding: 10px;
            margin-bottom: 10px;
            max-width: 500px;
        }
        .copy-btntk {
            cursor: pointer;
            color: #007bff;
            font-size: 1.0em;
        }
        .copy-btntk:hover {
            color: #0056b3;
        }
        .copy-btn {
            cursor: pointer;
            color: #007bff;
            font-size: 1.0em;
        }
        .copy-btn:hover {
            color: #0056b3;
        }
        .toast-container {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1055;
        }

    </style>