.main{
    
    background-image: url(../img/list_background.png);
    /*background-repeat: no-repeat;*/
    width: 1920px;
    margin: 0 auto;
    justify-content: center;
    display: flex;
}

.paper{
    width: 1200px;
    margin-top: 180px;
}

#arear1{
    position: relative;
    width: 1200px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.topic{
    font-size: 81px;
    justify-self: center;
}

.line1{
    font-size: 40px;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    height: 100px;
}

.content{
    min-height: 900px;
    font-size: 20px;
}

.line2{
    height: 196px;
    font-size: 20px;
    display: flex;
    flex-wrap: nowrap;
    flex-direction: row;
    justify-content: space-around;
}