html {
    font-size: 14px;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
    position: relative;
    min-height: 100%;
}

body {
    margin-bottom: 60px;
}

.custom-btn {
    background-color: #007bff;
    border: none;
    color: white;
    padding: 10px 20px;
    font-size: 1.25rem;
    border-radius: 0.25rem;
    transition: background-color 0.3s, transform 0.3s;
}

    .custom-btn:hover {
        background-color: #0056b3;
        transform: scale(1.05);
    }

    .custom-btn:active {
        background-color: #004085;
        transform: scale(0.95);
    }

.center {
    position: relative;
    padding: 50px 50px;
    background: #fff;
    border-radius: 10px;
    max-width: 400px;
    margin: auto;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

    .center h1 {
        font-size: 1.5em;
        padding: 10px;
        color: #000;
        letter-spacing: 5px;
        margin-bottom: 60px;
        font-weight: bold;
        padding-left: 10px;
    }

    .center .inputbox {
        position: relative;
        width: 100%;
        margin-bottom: 50px;
    }

        .center .inputbox input {
            width: 100%;
            border: 2px solid #000;
            outline: none;
            background: none;
            padding: 10px;
            border-radius: 10px;
            font-size: 1.2em;
            box-sizing: border-box;
        }

        .center .inputbox span,
        .center .inputbox label {
            position: absolute;
            top: 14px;
            left: 20px;
            font-size: 1em;
            transition: 0.6s;
            font-family: sans-serif;
            pointer-events: none;
        }

        .center .inputbox input:focus ~ span,
        .center .inputbox input:valid ~ span {
            transform: translateX(-22px) translateY(-45px);
            font-size: 1em;
            color: dodgerblue;
        }

        .center .inputbox:last-child {
            margin-bottom: 0;
        }

        .center .inputbox [type="button"] {
            width: 50%;
            background: dodgerblue;
            color: #fff;
            border: none;
            padding: 10px;
            border-radius: 10px;
            cursor: pointer;
        }

            .center .inputbox [type="button"]:hover {
                background: linear-gradient(45deg, greenyellow, dodgerblue);
            }

.btn-primary {
    width: 100%;
    background: dodgerblue;
    color: #fff;
    border: none;
    padding: 10px;
    border-radius: 10px;
    cursor: pointer;
}

    .btn-primary:hover {
        background: linear-gradient(45deg, greenyellow, dodgerblue);
    }

.navbar-icon {
    max-width: 80px;
    height: auto;
    margin-right: 10px;
}

.sidebar {
    height: 100vh;
    position: sticky;
    top: 0;
}

.noVe {
    display: none;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

    .main-content {
        margin-left: 0;
    }

    .navbar-toggleable-sm {
        display: flex;
        flex-direction: column;
    }
}
