.p-b{
    padding-bottom: 10%;
}


  *,
        *:after,
        *:before {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            --primary-color: #21cfcd;
        }

        legend,
        .bx {
            font-size: 1.3rem;
            font-weight: 700px;
        }

        .box-container {
            display: flex;
            gap: 0.4rem;
        }

        .checkbox-input {
            opacity: 0;
            visibility: hidden;
            margin: 0;
        }

        .checkbox-input:checked+.checkbox-tile,
        .checkbox-input:checked+.checkbox-tile span {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }

        .checkbox-input:checked+.checkbox-tile::before {
            transform: scale(1);
            opacity: 1;
            background-color: var(--primary-color);
            background-color: var(--primary-color);
        }

        .checkbox-tile {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.2rem;
            width: 22rem;
            height: 70px;
            border-radius: 5px;
            border: 2px solid #ccc;
            transition: 0.1s ease;
            cursor: pointer;
            position: relative;
        }

        .checkbox-tile:hover {
            border-color: #999;
        }

        .checkbox-tile::before {
            content: "";
            position: absolute;
            display: block;
            width: 1rem;
            height: 1rem;
            background-color: #fff;
            border-radius: 50%;
            top: 0.25rem;
            left: 0.25rem;
            opacity: 0;
            transform: scale(0);
            transition: 0.25s ease;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='192' height='192' fill='%23FFFFFF' viewBox='0 0 256 256'%3E%3Crect width='256' height='256' fill='none'%3E%3C/rect%3E%3Cpolyline points='216 72.005 104 184 48 128.005' fill='none' stroke='%23FFFFFF' stroke-linecap='round' stroke-linejoin='round' stroke-width='32'%3E%3C/polyline%3E%3C/svg%3E");
            border: 2px solid var(--primary-color);
            background-size: 12px;
            background-repeat: no-repeat;
            background-position: 50% 50%;
        }

        a {
            color: var(--primary-color);
        }

        p {
            margin: 1rem 0;
        }

        .letter-spacing-2 {
            letter-spacing: -2px;
        }

        .back-to-top {
            position: fixed;
            bottom: 25px;
            left: 25px;
            width: 45px;
            height: 45px;
            background-color: #014855;
            color: #ffffff;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            display: none;
            z-index: 9999;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
            align-items: center;
            justify-content: center;
        }

        .back-to-top i {
            font-size: 18px;
        }

        .back-to-top:hover {
            background-color: #258e93;
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
        }