*{
padding: 0;
margin: 0;
}
header{
    background-color: white;
    padding: 30px;
    text-align: center;

   
}
header h1{
    font-size: 40px;
    margin-bottom: 20px;
}

header nav ul{
    display: flex;
    justify-content: space-around;
    list-style: none;
    
}
header nav ul li a{
    color: black;
    text-decoration: none;
}

main .no1 figure img{
    width: 100%;
}
main .no2{
    background-color: white;
    padding: 30px;
    text-align: center;

}
main .no2 .contena{
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
}
main .no2 h2{
    font-size: 36px;
    margin-bottom: 20px;
}


main .no3{
    background-color: khaki;
    color: black;
    padding: 30px;
    text-align: center;
}
main .no3 h2{
    font-size: 36px;
    margin-bottom: 20px;

}
main .no3 table{
    margin: 0 auto;

}
main .no3 table td{
    padding: 10px 20px;
}
aside{
    background-color: white;
    padding: 30px;
    text-align: center;
}
aside h2{
    font-size: 30px;
    margin-bottom: 20px;

}
aside p{
    margin-bottom: 20px;

}
main .no4 figure img{
    width: 100%;
}
aside .botan{
    display: inline-block;
    padding: 20px 80px;
    border: 5px solid black;
    background-color: white;
    border-radius: 80px;
    color: black;
    text-decoration: none;    
}
aside .botan:hover{
    background-color: gold;
}