* { box-sizing: border-box; margin: 0; padding: 0; }

html {
    font-family: "Varela Round", sans-serif;
    font-weight: 400;
    font-style: normal;
}

body {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.category {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

h1 {
    text-decoration: underline;
    margin-top: 5vw;
}

button {
    font-family: "Varela Round", sans-serif;
    font-size: 50px;
    width: 300px;
    padding: 10px 25px;
    cursor: pointer;
    background: #fff;
    color: #000;
    border: 2px solid #000;
    border-radius: 6px;
    box-shadow: 2px 2px black;
    margin-top: 1vw;
    text-align: center;
}

button:active {
    box-shadow: none;
    transform: translate(2px, 2px);
}

button:disabled {
    color: #999;
    border-color: #999;
    box-shadow: none;
    cursor: not-allowed;
}

#animation-container {
    margin-top: 20px;
}

@media screen and (orientation: portrait) {
    button {
        font-size: 10vw;
    }
}