.fs {
        background: #363e5d;
        box-shadow: inset 0 0 3rem rgba(0, 0, 0, 0.5);
    }
    
    .box-fs {
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: 100vh;
    }
    
    .box-fs p {
        padding-left: 20px;
        width: 500px;
        text-align: justify;
    }
    
    .box-fs h3 {
        padding-left: 50px;
        font-size: 50px;
        border-radius: 76px;
    }
    
    .box-fs ul {
        position: relative;
        transform: skewY(-15deg);
        padding: 120px;
    }
    
    .box-fs ul li {
        position: relative;
        list-style: none;
        width: auto;
        background: #3e3f46;
        padding: 15px;
        transition: 0.5s;
        z-index: calc(1* var(--i));
    }
    
    .box-fs ul li:hover {
        transform: translateX(-50px);
        background: var(--clr);
    }
    
    .box-fs ul li::before {
        content: '';
        position: absolute;
        top: 0;
        left: -40px;
        width: 40px;
        height: 100%;
        background: #3e3f46;
        filter: brightness(0.7);
        transform-origin: right;
        transform: skewY(45deg);
        transition: 0.5s;
    }
    
    .box-fs ul li:hover::before {
        background: var(--clr);
        filter: brightness(0.7);
    }
    
    .box-fs ul li::after {
        content: '';
        position: absolute;
        top: -40px;
        left: 0;
        width: 100%;
        height: 40px;
        background: #3e3f46;
        filter: brightness(0.9);
        transform-origin: bottom;
        transform: skewX(45deg);
        transition: 0.5s;
    }
    
    .box-fs ul li:hover::after {
        background: var(--clr);
        filter: brightness(0.9);
    }
    
    .box-fs ul li a {
        text-decoration: none;
        color: #999;
        display: block;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        transition: 0.5s;
    }
    
    .box-fs ul li:hover a {
        color: #fff;
    }
    
    .box-fs ul li:last-child::after {
        box-shadow: -120px 120px 20px rgba(0, 0, 0, 0.25);
    }
    
    .box-fs ul li span {
        position: absolute;
        top: 0;
        left: -40px;
        width: 40px;
        height: 100%;
        transform-origin: right;
        transform: skewY(45deg);
        transition: 0.5s;
        display: flex;
        justify-content: center;
        align-items: center;
        opacity: 0.5;
        font-size: 1.25em;
    }
    
    .box-fs ul li:hover span {
        opacity: 1;
    }
    
    .content-fs {
        background: #363e5d;
        padding: 3rem;
        grid-template-columns: 1fr 1fr;
        display: grid;
    }
    
    .content-fs h4 {
        text-align: center;
        padding-bottom: 3rem;
    }
    
    .content-fs p {
        display: grid;
        text-align: justify;
        padding: 2rem;
    }
    
    .content-fs ol {
        padding-right: 2rem;
        padding-left: 2rem;
    }
    
    .content-fs li {
        display: grid;
        text-align: justify;
        list-style-type: circle;
    }
    
    .materi-fs {
        margin: 0;
        padding: 0;
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: 100vh;
        font-family: 'Poppins', sans-serif;
        background: #363e5d;
    }
    
    .materi-fs-container {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    
    .materi-fs-container .materi-fs-box {
        position: relative;
        width: 400px;
        padding: 20px;
        background: var(--color-white);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        border-radius: 10px;
        margin: 40px;
        box-sizing: border-box;
        overflow: hidden;
        text-align: center;
    }
    
    .materi-fs-container .materi-fs-box:before {
        content: '';
        width: 50%;
        height: 100%;
        position: absolute;
        top: 0;
        left: 0;
    }
    
    .materi-fs-container .materi-fs-box .materi-fs-icon {
        position: relative;
        width: 80px;
        height: 80px;
        color: #fff;
        background: #000;
        display: flex;
        justify-content: center;
        align-items: center;
        margin: 0 auto;
        border-radius: 50%;
        font-size: 40px;
        font-weight: 700;
        transition: 1s;
    }
    /* 1 */
    
    .materi-fs-container .materi-fs-box:nth-child(1) .materi-fs-icon {
        box-shadow: 0 0 0 0 #436af9;
        background: #436af9;
    }
    
    .materi-fs-container .materi-fs-box:nth-child(1):hover .materi-fs-icon {
        box-shadow: 0 0 0 480px #436af9;
    }
    /* 2 */
    
    .materi-fs-container .materi-fs-box:nth-child(2) .materi-fs-icon {
        box-shadow: 0 0 0 0 #6b3cf6;
        background: #6b3cf6;
    }
    
    .materi-fs-container .materi-fs-box:nth-child(2):hover .materi-fs-icon {
        box-shadow: 0 0 0 500px #6b3cf6;
    }
    /* 3 */
    
    .materi-fs-container .materi-fs-box:nth-child(3) .materi-fs-icon {
        box-shadow: 0 0 0 0 #9551f5;
        background: #9551f5;
    }
    
    .materi-fs-container .materi-fs-box:nth-child(3):hover .materi-fs-icon {
        box-shadow: 0 0 0 400px #9551f5;
    }
    /* 4 */
    
    .materi-fs-container .materi-fs-box:nth-child(4) .materi-fs-icon {
        box-shadow: 0 0 0 0 #402a98;
        background: #402a98;
    }
    
    .materi-fs-container .materi-fs-box:nth-child(4):hover .materi-fs-icon {
        box-shadow: 0 0 0 400px #402a98;
    }
    /* 5 */
    
    .materi-fs-container .materi-fs-box:nth-child(5) .materi-fs-icon {
        box-shadow: 0 0 0 0 #452775;
        background: #452775;
    }
    
    .materi-fs-container .materi-fs-box:nth-child(5):hover .materi-fs-icon {
        box-shadow: 0 0 0 400px #452775;
    }
    /* 6 */
    
    .materi-fs-container .materi-fs-box:nth-child(6) .materi-fs-icon {
        box-shadow: 0 0 0 0 #574d9f;
        background: #574d9f;
    }
    
    .materi-fs-container .materi-fs-box:nth-child(6):hover .materi-fs-icon {
        box-shadow: 0 0 0 400px #574d9f;
    }
    /* 7 */
    
    .materi-fs-container .materi-fs-box:nth-child(7) .materi-fs-icon {
        box-shadow: 0 0 0 0 #4d579f;
        background: #4d579f;
    }
    
    .materi-fs-container .materi-fs-box:nth-child(7):hover .materi-fs-icon {
        box-shadow: 0 0 0 400px #4d579f;
    }
    /* 8 */
    
    .materi-fs-container .materi-fs-box:nth-child(8) .materi-fs-icon {
        box-shadow: 0 0 0 0 #5978f3;
        background: #5978f3;
    }
    
    .materi-fs-container .materi-fs-box:nth-child(8):hover .materi-fs-icon {
        box-shadow: 0 0 0 400px #5978f3;
    }
    /* 9 */
    
    .materi-fs-container .materi-fs-box:nth-child(9) .materi-fs-icon {
        box-shadow: 0 0 0 0 #5b69e7;
        background: #5b69e7;
    }
    
    .materi-fs-container .materi-fs-box:nth-child(9):hover .materi-fs-icon {
        box-shadow: 0 0 0 400px #5b69e7;
    }
    
    .materi-fs-container .materi-fs-box .materi-fs-content {
        position: relative;
        z-index: 1;
        transition: 0.5s;
        color: #000;
    }
    
    .materi-fs-container .materi-fs-box:hover .materi-fs-content {
        color: #fff;
    }
    
    .materi-fs-container .materi-fs-box .materi-fs-content h3 {
        font-size: 20px;
        margin: 10px 0;
        padding: 0;
    }
    
    .materi-fs-container .materi-fs-box .materi-fs-content p {
        margin: 0;
        padding: 0;
    }
    
    .materi-fs-content a {
        display: inline-block;
        padding: 10px 20px;
        background: #8ea2f5;
        border-radius: 4px;
        text-decoration: none;
        color: #000;
        font-weight: 500;
        margin-top: 20px;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }
    
    @media screen and (max-width: 420px) {
        * {
            overflow-x: hidden;
        }
        nav {
            width: 390px;
        }
        .box-fs {
            display: block;
            min-height: max-content;
            padding-bottom: 2rem;
            overflow-y: hidden;
        }
        .box-fs h3 {
            font-size: 1.8rem;
            padding-top: 2rem;
            padding-left: 0;
            text-align: center;
        }
        .box-fs p {
            max-width: 100%;
            padding-right: 20px;
        }
        .kontak-fs {
            width: 80%;
            height: 80%;
        }
        .content-fs {
            display: block;
            min-height: max-content;
            padding-bottom: 2rem;
        }
        .content-fs p {
            padding-bottom: 1rem;
            padding-top: 0;
            padding-left: 0;
            padding-right: 0;
            font-size: 0.6rem;
        }
        .content-fs ol li {
            font-size: 0.6rem;
        }
        .content-fs ol {
            padding-right: 0;
            padding-left: 0;
            padding-bottom: 3rem;
        }
        h4 {
            font-size: 0.8rem;
        }
    }