.start-screen, .info-screen, .question-screen, .end-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.starting-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.starting-info > * {
    margin-bottom: 0.3em;
}

.info-screen {
    display: none;
}
.info-screen p {
    text-align: center;
    width: 700px;
}

.question-screen {
    display: none;
}
.result {
    display: inline-block;
    visibility: hidden;
    border: 2px solid;
    border-color: black;
    border-radius: 17px;
    color: black;
    padding: 5px;
    margin: 10px;
}

.end-screen {
    display: none;
}

#hint {
    color: grey;
    font-style: italic;
}

.tooltip-container {
    position: fixed;
    display: inline-block;
    z-index: 10000;
}
.tooltip-text {
    visibility: hidden;
    background-color: darkslategray;
    color: white;
    text-align: center;
    border-radius: 5px;
    padding: 4px 8px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.9em;
    pointer-events: none;
    white-space: nowrap;
    z-index: 10000;
}
.tooltip-container.info .tooltip-text {
    left: 100%;
    margin-left: 3px;
    margin-top: -2px;
}
.tooltip-container.home .tooltip-text {
    right: 100%;
    margin-right: 4px;
    margin-top: -1px;
}
.tooltip-container:hover .tooltip-text {
    visibility: visible;
}
.info-btn, .home-btn {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    display: inline-block;
    width: auto;
    height: auto;
}
.tooltip-container.info {
    top: 0;
    left: 0;
    padding: 6px;
}
.tooltip-container.home {
    bottom: 0;
    right: 0;
    padding: 6px;
}

#start-game {
    margin-top: 1em;
    align-self: center;
}

input[type="text"] {
    border: 2px solid #ccc;
    border-radius: 10px;
}
input[type="text"]:focus {
    border: 2px solid transparent;
    outline: 3px solid lightblue;
}
input[type="submit"] {
    display: block;
    margin: 0 auto;
}

img {
    display: block;
    width: 34px;
    height: 32px;
    margin: 7px;
    padding: 7px;
}


button,
input[type="submit"] {
    background: #fff;
    color: #222;
    border: 1.5px solid #bbb;
    border-radius: 6px;
    padding: 0.5em 1.2em;
    font-size: 1em;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
    box-shadow: none;
    outline: none;
}
button:hover,
input[type="submit"]:hover {
    border-color: #4f8cff;
    color: #4f8cff;
    background: #f7faff;
}
button:active,
input[type="submit"]:active {
    border-color: #3578e5;
    color: #3578e5;
    background: #f0f6ff;
}
button:focus,
input[type="submit"]:focus {
    border-color: #38cfa6;
    box-shadow: 0 0 0 2px #b3e0ff;
}

.current-score {
    position: fixed;
    display: inline-block;
    background: none;
    border: 2px solid #bbb;
    border-radius: 10px;
    background: white;
    color: black;
    padding: 0;
    margin: 0;    
    width: auto;
    height: auto;
    top: 0;
    right: 0;
    padding: 8px;
    margin: 10px;
}

body {
    font-family: inherit;
}