#kind { 
    font-size: 18px;
    text-align:center;
}

#explane {
    font-size: 18px;

}

#sample {
    font-size: 18px;
    text-align:center;
}

#b1 {
    font-size: 18px;
    text-align:center;
}

#a1 {
    
    width: 240px;
    height: 30px;
    background-color:black;
    margin: 5px auto;
    text-align: center;
    line-height: 30px;
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    user-select: none;
}

#a2 {
    
    width: 240px;
    height: 30px;
    background-color:black;
    margin: 5px auto;
    text-align: center;
    line-height: 30px;
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    user-select: none;
}

#a3 {
    
    width: 240px;
    height: 30px;
    background-color:black;
    margin: 5px auto;
    text-align: center;
    line-height: 30px;
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    user-select: none;
}

#c1 {
    
    font-size: 18px;
    text-align:center;
}

#cell {
    
    width: 200px;
    height: 30px;
    background-color:gray;
    margin: 10px auto;
    text-align: center;
    line-height: 30px;
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    user-select: none;
    border-radius: 15px;
}

#home {
    
    width: 200px;
    height: 30px;
    background-color:gray;
    margin: 10px auto;
    text-align: center;
    line-height: 30px;
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    user-select: none;
    border-radius: 15px;
}