        @import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&display=swap');
        @keyframes bgcolor-transition {
            0% {
                background-color: pink;
            }
            25% {
                background-color: deeppink;
            }
            50% {
                background-color: red;
            }
            75% {
                background-color: deeppink;
            }
            100% {
                background-color: pink;
            }
        }
        @keyframes textcolor-transition {
            0% {
                color: pink;
            }
            25% {
                color: deeppink;
            }
            50% {
                color: red;
            }
            75% {
                color: deeppink;
            }
            100% {
                color: pink;
            }
        }
        
        .rectangle {
            position: relative;
        }

        .container {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
        }

        .square {
            width: 8px;
            height: 8px;
            background-color: white;
            border: 1px solid black;
            float: left;
            margin-right: 2px;
            margin-bottom: 2px;
        }

        .green-square {
            width: 8px;
            height: 8px;
            border: 1px solid black;
            float: left;
            margin-right: 2px;
            margin-bottom: 2px;
            animation: bgcolor-transition 4s infinite;
        }

        .row::after {
            content: "";
            display: table;
            clear: both;
        }

       .author {
            position: absolute;
            text-align: center;
            bottom: 28%;
            left: 50%;
            transform: translateX(-50%);
            font-family: 'Space Mono', monospace;
            font-size: 16px;
            font-weight: 700;
            animation: textcolor-transition 4s infinite;
        }
        
        .social {
            text-align: center;
            bottom: 26%;
            left: 50%;
            font-family: 'Space Mono', monospace;
            font-size: 13px;
            font-weight: 400;
            animation: textcolor-transition 4s infinite;
        }
        
        a {
            text-decoration: none;
            touch-action: manipulation;
            outline: none;
        }
        
        a:hover,
        a:focus {
          text-decoration: underline;
        }

        a i {
          padding-right: 12px; /* Tạo khoảng cách giữa icon và chữ */
        }
    
        @media (max-width: 1024px) {
          .square,
          .green-square {
            width: 20px;
            height: 20px;
            margin-right: 4px;
            margin-bottom: 4px;
          }
        }