@font-face
{
    font-family: 'sans';
    src: url('fonts/ComicShannsMono-Regular.otf') format('opentype');
}
:root {
  --outline: #22c0c0;
}

body
{
  display: flex;
  font-family: sans;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

#textbox
{
    display: flex;
    font-family: inherit;
    flex-direction: row;
    align-items: center;
    width: 90vw;
    max-width: 800px;
    gap: 8px;
}

#textbox input {
    flex: 1;
    box-sizing: border-box;
    font-family: inherit;
    padding: 10px 12px;
    height: 48px;
    border: 2px solid #000;
    border-right: none;
    border-radius: 6px 0 0 6px;
    outline: outset;
}

#textbox button {
    box-sizing: border-box;
    padding: 10px 16px;
    height: 48px;
    min-width: 64px;
    border: 1px solid var(--outline);
    background: #007bff;
    color: #fff;
    border-radius: 0 6px 6px 0;
    cursor: pointer;
    outline: outset;
    outline-color: blue;
}

#textbox input
{
    transition: border-color .15s ease, box-shadow .15s ease, background-color .12s ease;
}
#textbox button {
    align-items: center;
    transition: border-color .15s ease, box-shadow .15s ease, background-color .12s ease;
    font-size: 2rem;
    padding: 0
}

#textbox input:focus,
#textbox input:focus-visible {
    outline: none;
    border-color: var(--outline);
    box-shadow: 0 0 0 3px rgba(0,123,255,0.13);
}

#textbox button:focus,
#textbox button:focus-visible,
#textbox button:active {
    border-color: var(--outline);
    box-shadow: 0 0 0 4px rgba(0,123,255,0.13);
}

#textbox button:active {
    background: #000;
    transform: scale(0.95);
}