* {
    font-family: monospace, sans-serif;
}

html,
body {
    height: 100%;
    margin: 0;
    font-family: monospace, sans-serif;
}

html,
body,
input,
textarea {
    background-color: #283034 !important;
    color: #fff;
}


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

header {
    opacity: 0.35;
}

header:hover,
header:focus-within {
    opacity: 1;
}

header,
select,
button {
    display: flex;
    background-color: #394047;
}


select,
button {
    border: none;
    margin-right: 0.5em;
    color: #fff;
}

select:hover,
button:hover {
    background-color: #495158;
    cursor: pointer;
}

main {
    display: flex;
    flex: 1;
}

textarea#notepad {
    display: flex;
    flex: 1;
    resize: none;
    font: inherit;
    border: none;
    outline: none;
    padding: 0.5em;
}