.proceed-btn {
            margin-top: 45px;
            padding: 15.75px 21px;
            font-size: 21px;
            border-radius: 9px;
            color: #304ffe;
            font-family: 'Roboto', sans-serif;
            cursor: pointer;
            background: transparent;
            border: 1px solid #304ffe;
        }
        .icn {
            font-size: 51px;
            color: #ffffff;
            margin-bottom: 21px;
            margin-left: 75%;
            transition: color 0.3s ease;
            filter: drop-shadow(0 0 21px #304ffe) drop-shadow(0 0 21px #304ffe);
        }
        img {
            display: block;
            margin: 0 auto;
            width: 75.51%;
            height: auto;
            user-select: none;
            -webkit-user-drag: none;
            -webkit-touch-callout: none;
            -webkit-user-select: none;
            -khtml-user-select: none;    
            -moz-user-select: none;
            -ms-user-select: none;
            pointer-events: none;
        }
        @media (max-width: 515px) {
        img {
            width: 100%;
        }
        }
        .sn {
            font-size: 2rem;
            margin: 15px 0;
            color: #fff;
        }
        .card:hover .icn {
            color: #304ffe;
        }
        .card:hover {
            background-color: #121212;
        }
        .card:hover .proceed-btn {
            background: #304ffe;
            color: #ffffff;
        }
        .toc-container {
            border-top: 1px solid #303030;
            border-bottom: 1px solid #303030;
            padding: 75px;
        }
        .toc-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(275px, 1fr));
            gap: 15px;
            margin-bottom: 45px;
        }
        .toc-card {
            background: linear-gradient(
            45deg, rgba(33, 33, 33, 0.75), rgba(0, 0, 0, 0.75));
            padding: 15px 21px;
            font-weight: 300;
            color: #ffffff;
            font-size: 1em;
            border-left: 3px solid #304ffe;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
        }
        .toc-card:hover {
            color: #304ffe;
            box-shadow: 0 15px 30px rgba(0,0,0,0.12);
            background: #151515;
        }
        .card-container {
            display: grid;
            width: 100%;
            margin: 0;
        }
        .card {
            padding: 75px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            border: 1px solid #303030;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }    
        @media (max-width: 745px) {
            .card-container {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 746px) and (max-width: 1199px) {
            .card-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1200px) {
            .card-container {
                grid-template-columns: repeat(3, 1fr);
            }
        }