body {
    background-color: #27ae60;
    color: #fff;
    font-family: 'Arial', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
}

#login-container {
    text-align: center;
    margin-top: 100px;
}

#notification {
    font-size: 20px;
    color: #fff;
    margin-top: 10px;
}

#admin-container, #user-container,  #currently-registered-container {
    text-align: center;
    padding: 40px;
    border-radius: 10px;
    background-color: #2ecc71;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

#keyboard-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 20px;
}

button, .button, #back-button  {
    font-size: 20px;
    background-color: #fff;
    color: #2ecc71;
    padding: 15px;
    margin: 10px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

button:hover, .button:hover, #back-button:hover{
    background-color: #eee;
}

input {
    font-size: 18px;
    padding: 15px;
    margin: 10px;
    border: none;
    border-radius: 8px;
    text-align: center;
}
.input {
    padding: 10px;
    margin: 10px;
    border: none;
    border-radius: 5px;
}
#notification {
    font-size: 20px;
    color: #fff;
    margin-top: 10px;
}

h2 {
    font-size: 24px;
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 15px;
    border: 1px solid #fff;
}

th {
    background-color: #fff;
    color: #2ecc71;
}


#search-container {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#search-input {
    padding: 10px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
}

#search-button {
    background-color: #fff;
    color: #2ecc71;
    padding: 10px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

#search-button:hover {
    background-color: #eee;
}

.filter-button {
    background-color: #fff;
    color: #2ecc71;
    padding: 10px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin: 5px;
}

.filter-button:hover {
    background-color: #eee;
}