            /*reset default style*/
            * {
                margin: 0;
                padding: 0;
                box-sizing: border-box;
                }

            body {      
                background:rgb(236, 236, 236);          
                font-family:Inter;
                min-height: 100vh;
                display: flex;
                align-items: center;
                justify-content: center;
                padding: 2rem;
                
            }
            .container {
                background-color:rgb(255, 255, 255);
                border-radius: 30px;
                text-align: center;
                padding: 1rem 2rem;
                width: 100%;
                max-width: 680px;
                max-height: 700px;

                box-shadow: 0 0 500px 10px rgb(0, 226, 169);
                position: relative;
            }
            
            .heading1 {
                font-size: 2rem;
                font-weight: 800;
                margin-bottom: 0.5rem;
                color: hwb(172 0% 30%);

            }
            .heading2 {
                margin-top: 10px;
                color: #555;
                margin-bottom: 1.25rem;
                
            }

            .input-wrapper{
                display: flex;
                justify-content: center;
                gap: 0.5rem;
                margin-bottom: 12px;
            }

            .urlInput {
                padding: 0.75rem 1rem;
                font-size: 1rem;
                width: 70%;
                max-width: 400px;
                border: 1px solid #ccc;
                border-radius: 10px;
                outline: none;
                }

            button {
                padding: 0.75rem 1.5rem;
                background-color: rgb(0, 179, 155);
                color: #fff;
                border: none;
                border-radius: 10px;
                font-size: 1rem;
                font-weight: 700;
                cursor: pointer;
                transition: background-color 0.3s;
                }

                button:hover {
                background-color: rgba(0, 179, 155, 0.75);
            }

            .download-image {
                width: 80px;
                height: 80px;
                margin-top: 10px;
                margin-bottom: 0px;
                text-align: center;
            }
            
            .selectText {
                text-align: center;
                font-weight: bold;
                margin-bottom: 1rem;
                font-size: 1.25rem;
            }

            .quality-wrapper {
                display: flex;
                justify-content: space-between;
                align-items: center;
                margin-bottom: 0.25rem;
                padding-left: 24px;
                
            }

            .quality {
                margin-left: 15px;
                text-align: left;
                flex: 1;
            }

            .downloadButton {
                margin-right: 47px;
                padding: 0.5rem 0.75rem;
            }
            .availableQuality {
                padding-bottom: 24px;
            }
            
            .trademark {
                position: absolute;
                bottom: 10px;
                left: 0;
                width: 100%;
                text-align: center;
                font-size: large;
                color: #555;
            }
            .skeleton {
                opacity: 0.6;
                background: linear-gradient(90deg, #eee, #e0e0e0, #dbdbdb);
                background-size: 200% 100%;
                border-radius: 4px;
                animation: skeleton-loading 1.2s ease-in-out infinite;
            }

            @keyframes skeleton-loading {
                0% {
                    background-position: 200% 0;
                }
                100% {
                    background-position: -200% 0;
                }
            }

