body
{
    justify-content: space-around;
    align-items: flex-start;
    height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
    font-family: Tahoma, sans-serif;
    background-color: #ffffff;
}

footer
{
    font-family: Tahoma, sans-serif, Arial, Helvetica, sans-serif;
    color: #222222;
    background-color: #ffffff;
    padding: 10px;
}

.block
{
    display: block;
}

.flex
{
    display: flex;
}

h1, h2, h3, h4 
{
    font-family: Tahoma, sans-serif, Arial, Helvetica, sans-serif;
    color: #3366FF;
}

.statebox
{
    background-color: #666666;
    text-align: center;
    justify-content: center;
    align-items: center;
    border-radius: 16px;
    width: 95%;
    padding: 5px;
}

.selector-view
{
    scrollbar-color: #444444 #888888;
    scrollbar-width: thin;
}

.check_container
{
    display: block;
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    cursor: pointer;
    user-select: none;
}

.check_container input 
{
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.style_check
{
    position: absolute;
    top: 0;
    left: 0;
    height: 15px;
    width: 15px;
    border: solid #888888;
    border-width: 1px;
    background-color: #222222;
    border-radius: 4px;
}

.check_container input:checked ~ .style_check 
{
    background-color: #bbccbb;
}

.style_check:after
{
    content: "";
    position: absolute;
    display: none
}

.check_container input:checked ~.style_check:after 
{
    display: block;
}

.check_container .style_check:after
{
    left: 4px;
    top: 4px;
    width: 4px;
    height: 4px;
    border: solid white;
    border-width: 0 3px 3px 0;
    transform: rotate(45deg);
}

.radio_container
{
    display: block;
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    cursor: pointer;
    user-select: none;
}

.radio_container input
{
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;  
}

.radio_style
{
    position: absolute;
    top: 0;
    left: 0;
    height: 14px;
    width: 14px;
    border: solid #666666;
    border-width: 1px;
    background-color: #222222;
    border-radius: 50%;
}

.radio_container:hover input ~.radio-style
{
    background-color: #444444;
}

.radio_container input:checked ~.radio_style
{
    background-color: #444444;
}

.radio_style:after
{
    content: "";
    position: absolute;
    display: none;
}

.radio_container input:checked ~.radio_style:after
{
    display: block;
}

.radio_container .radio_style:after
{
    top: 3px;
    left: 3px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #bbccbb;
}

.slider_style
{
    appearance: none;
    width: 30%;
    height: 12px;
    border-radius: 5px;
    background: #222222;
    outline: solid #bbbbbb;
    outline-width: 1px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.slider_style:hover 
{
    opacity: 1;
}

.slider_style::-webkit-slider-thumb 
{
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #bbccbb;
    cursor: pointer;
}

.menu
{
    list-style-type: none;
    background: #3366FF;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.menu li
{
    float: left;
}

.menu li a
{
    display: block;
    color: #ffffff;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 20px;
    font-weight: bold;
    font-family: Arial, Helvetica, sans-serif, sans-serif;
}

.menu li a:hover
{
    background-color:#3030b1;
}

section
{
    padding: 20px;
    margin-top: 20px;
    border-top: 1px solid #dddddd;
    display: none;
}

section.active
{
    display: block;
}

.contact-form-container {
    width: 80%;
    max-width: 600px;
    margin: 2em auto;
    padding: 2em;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

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

label {
    margin-bottom: 0.5em;
    font-weight: bold;
    color: #333;
}

input, textarea {
    padding: 0.8em;
    margin-bottom: 1em;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    padding: 0.8em;
    border: none;
    border-radius: 4px;
    background-color: #5cb85c;
    color: #fff;
    font-size: 1em;
    cursor: pointer;
}