* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.sidebar{width: 300px;border-right: 1px solid black;line-height: 2em;padding-left: 2em;text-decoration: ;}
.sidebar a {text-decoration: none;}
.custom-control-label {margin-bottom: 0;}
.custom-control-input {position: absolute;
}
label {display: inline-block;}

footer a {text-decoration: none;}
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    height: 100%;
          min-height: 100vh;
}

.container {display: flex;}

header {
    background: #fff;
    color: #000;
    padding: 1em 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #ddd;
}

nav {
    display: flex;
    align-items: center;
    width: 100%;
    justify-content: space-between;
}

.logo {
    margin-left: 1em;
}

.logo img {
    height: 100px;
}

nav ul.menu {
    list-style: none;
    display: flex;
    justify-content: center;
    margin-right: 1em;
    flex-grow: 1;
}

nav ul.menu li {
    margin: 0 1em;
}

nav ul.menu li a {
    color: #000;
    text-decoration: none;
    font-weight: bold;
}

nav ul.menu li a:hover {
    text-decoration: underline;
}

.content-row {
    display: flex;
    justify-content: center;
    padding: 2em 0;
    background: #f4f4f4;
    border-bottom: 1px solid #ddd;
}

.content {
    max-width: 800px;
    padding: 1em;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

form {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 1em;
}

form label {
    margin: 0.5em 0 0.2em 0;
}

form input {
    padding: 0.5em;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 100%;
}

form button {
    padding: 0.7em;
    color: #fff;
    background-color: #333;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

form button:hover {
    background-color: #555;
}

footer {
    background: #fff;
    color: #000;
    padding: 1em 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    border-top: 1px solid #ddd;
}

.footer-column {
    width: 30%;
    text-align: left;
    display: inline-block;
}

.footer-fullwidth {
    text-align: center;
    padding: 1em 0;
    background: #fff;
    color: #000;
    width: 100%;
    border-top: 1px solid #ddd;
}

.footer-fullwidth a {
    color: #000;
    text-decoration: none;
    font-weight: bold;
}

.footer-fullwidth a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
    }

    nav ul.menu {
        flex-direction: column;
        align-items: center;
    }

    .content-row {
        flex-direction: column;
    }

    .footer-column {
        width: 100%;
        margin-bottom: 1em;
    }

    .footer-fullwidth {
        padding: 1em;
    }
}