:root {
    --primary-color: black;
    --secondary-color: white;
    --theme: 0;
}

fieldset {
    font-size: 16px;
    padding: 0;
    margin: 5px;
    border: 1px solid var(--secondary-color);
}

body {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.window, .window-titlebar, .window-body {
    font-size: 20px;
}

.window {
    border: 1px solid var(--secondary-color);
    display: flex;
    flex-direction: column;
    text-align: center;
    text-transform: lowercase;
}

.window-titlebar {
    border: 1px solid var(--secondary-color);
    margin: 5px;
    margin-bottom: 0px;
    text-align: center;
}

.window-body {
    border: 1px solid var(--secondary-color);
    margin: 5px;
    flex-grow: 1;
    overflow-y: auto;
}

a, label {
    color: inherit;
    text-decoration: underline
}

hr {
    border-color: var(--secondary-color);
}

button, .form-element short, .form-element, .form-button {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
    margin: 0px;
}

.form-element short, .form-element {
    margin: 3px;
}

progress[value] {
    -webkit-appearance: none;
    appearance: none;
    border: 1px solid var(--secondary-color);
}

progress[value]::-webkit-progress-bar {
    background-color: var(--primary-color);
    border-radius: 0px;
}

progress[value]::-webkit-progress-value {
    background-color: var(--secondary-color); 
    border-radius: 0px; 
    background-size: 100% 100%;
}

input[type=range] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    background: transparent; 
}
  
input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    border: 1px solid var(--secondary-color);
    background: var(--primary-color);
    height: 20px;
    width: 20px;
    margin-top: -5px;
} 
  
input[type=range]:focus {
    outline: none;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 10px;
    cursor: pointer;
    background: var(--primary-color);
    border-radius: 1.3px;
    border: 1px solid var(--secondary-color);
}

::-webkit-scrollbar {
    width: 15px;
    background-color: var(--primary-color);
    border: 1px solid var(--secondary-color);
}

::-webkit-scrollbar-thumb {
    background-color: var(--secondary-color);
    border: 1px solid var(--primary-color);
}