body{
    padding: 0px;
    margin: 0px;
    user-select: none;
}

.header{
    width: 100%;
    height: 100px;
    justify-content: center;
    background-color: #505050BF;
    margin-bottom: 150px;
    display: flex;
    text-align: center;
    align-items: center;
    font-size: 30px;
    color: white;
}

.cat{
    width: 100%;
    height: 40px;
    justify-content: center;
    display: flex;
    text-align: center;
    align-items: center;
    font-size: 30px;
}

.b{
    padding: 0px;
    margin: 0px;
    margin-bottom: 100px;
    width: 100%;
    height: 20%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.b2{
    padding: 0px;
    margin: 0px;
    margin-bottom: 10px;
    width: 100%;
    height: 20%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gen{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 360px;
    height: 180px;
    outline: 1px solid black;
    margin: 10px;
    font-size: 30px;
}

#gen1{
    background-image: url("gen1.jpg");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    display: block;
}