body {
    flex-direction: column;
}

.dialogue {
    display: flex;
    flex-direction: column;
    margin: 5% 200px 2%;
    padding: 20px;
    border: 2px solid white;
    border-radius: 30px;
    flex: 1;
}

.describe {
    text-align: center;
    font-size: 50px;
}

.logo {
    font-size: 25px;
    text-align: center;
}

.logo img {
    height: 12vh;
    margin: 50px auto 15px;
    display: block;
}

.dialogueContent {
    padding: 0 30px 30px;
    display: flex;
    flex: 1;
    flex-wrap: wrap;
    justify-content: space-evenly;
    align-items: center;
}

.letterBtn {
    margin: 15px;
    padding: 5px;
    width: 100px;
    height: 100px;
    text-align: center;
    line-height: 100px;
    font-size: 50px;
    border-radius: 30px;
    box-sizing: border-box;
    background-color: #0f0f0f;
    user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    cursor: pointer;
}

.clazzBtn {
    margin: 15px;
    padding: 15px;
    text-align: center;
    font-size: 50px;
    border-radius: 30px;
    box-sizing: border-box;
    background-color: var(--btn-normal);
    user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    cursor: pointer;
}