body,
header {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f4f4f4;
}

.navbar {
    background-color: #2c3e50;
    overflow: hidden;
}

.navbar-item {
    float: left;
    display: block;
    color: #ecf0f1;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.navbar-current-item {
    background-color: #3498db;
    float: left;
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    border-radius: 5px;
}

.navbar-item:hover {
    background-color: #3498db;
}

.navbar-current-item:hover {
    background-color: #2980b9;
}

#main-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-top: 5%;
}

#input-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px;
    background-color: #ecf0f1;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    margin-top: -80px;
}

#array-container {
    display: flex;
    align-items: flex-end;
    width: 1000px;
    height: 500px;
    border: 2px solid #bdc3c7;
    border-radius: 10px;
    background-color: #a8a8a8;
}

.bar {
    width: 1px;
    background-color: #3498db;
}

.slider {
    margin-top: -15px;
}

#dropdown {
    margin-top: 10px;
    margin-bottom: 15px;
    width: 200px;
    height: 40px;
    font-size: large;
}

.buttons {
    width: 150px;
    height: 40px;
    font-size: 16px;
    margin-top: 5px;
}

#dropdown-label {
    font-size: x-large;
    margin-bottom: 10px;
}