.flexRow {
    display: flex;
    flex-flow: row;
    justify-content: center;
    align-items: center;
}

.flexColumn {
    display: flex;
    flex-flow: column;
    justify-content: center;
    align-items: center;
}

main {
    margin-top: 60px;
    min-height: 100vh;
}

#section1 {
    display: flex;
    flex-flow: row;
    align-items: center;
}

#section1>.content {
    box-sizing: border-box;
    width: fit-content;
    padding: 2rem 4rem;
    border-radius: 0.5rem;
    border: #00A1B7 2px solid;
    min-height: 60vh;
    position: relative;
}

#section1 #prev {
    background: url(../icon/arrowLeftGreen.svg)no-repeat center;
    background-size: contain;
    width: 4rem;
    height: 4rem;
    opacity: 0.5;
}

#section1 #next {
    background: url(../icon/arrowRightGreen.svg)no-repeat center;
    background-size: contain;
    width: 4rem;
    height: 4rem;
    opacity: 0.5;
}

#section1 .heading {
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 0.3rem 0.3rem 0 0;
    background-color: #00A1B7;
    width: 100%;
    height: 48px;
}

#section1 .heading h3 {
    color: #fff;
}

#section1 .heading img {
    width: 1.5rem;
    height: 1.5rem;
    margin-right: 8px;
}

#section1 .categoryTab {
    width: 60vmin;
    justify-content: space-around;
}

#section1 .categoryTab>li {}

#section1 .categoryTab>li>a {
    color: #00A1B7;
    box-sizing: border-box;
    padding: 0.5rem 1rem;
    border-radius: 1rem;
}

.active {
    background-color: #00A1B7;
    color: #fff;
    box-sizing: border-box;
    padding: 0.5rem 1rem;
    border-radius: 1rem;
}

#section1 #newsBox {
    width: 100%;
    margin-top: 48px;
}

#section1 .news {
    margin: 30px 0;
}


#section1 .news .category {
    margin: 1.5rem 0;
}

#section1 .news .category>span {
    color: #fff;
    box-sizing: border-box;
    padding: 0.4rem 0.8rem;
    border-radius: 1rem;
    width: 5rem;
}

#section1 .news .System>span {
    background-color: #BB3C2B;
}

#section1 .news .Games>span {
    background-color: #3574AE;
}

#section1 .news .Events>span {
    background-color: #95B638;
}

#section1 .news .Others>span {
    background-color: #C4C4C4;
}

#section1 .news .category a {
    width: 100%;
    color: #0A0A0A;
}

#section1 .news .category a .content {
    flex-grow: 1;
    margin: 0 32px 0 8px;
}

#section2 {
    margin-top: 20px;
}

@media screen and (max-width:480px) {
    #section1 {
        width: 90vmin;
        padding: 2rem;
    }

    #section1 .news {
        margin: 10px 0;
    }

    #section1 .news .category a .content {
        flex-grow: 1;
        margin: 0 16px 0 8px;
    }

}