@media screen and (min-width: 1024px) {

    .year-container {
        width: 90px;
        height: 80%;
        position: fixed;
        top: 0;
        left: 0;
        margin-top: 5%;
        margin-left: 3%;
        background: #8d8d8d;
        overflow-y: auto;
        overflow-x: hidden;
        /*z-index: 999;*/
        text-align: center;
        padding: 0;
        padding-top: 10px;
        padding-bottom: 10px;
        /*border-radius: 10px;*/
    }



        .year-container > a {
            display: block;
            padding-top: 6px;
            padding-bottom: 6px;
            color: #ffffff;
        }



            .year-container > a:hover {
                background-color: #ffaa00;
                color: #ffffff;
            }

}

@media screen and (max-width: 768px) {
    .year-container {
        width: 90px;
        height: 80%;
        position: fixed;
        top: 0;
        left: 0;
        margin-top: 30%;
        margin-left: 3%;
        background: #8d8d8d;
        overflow-y: auto;
        overflow-x: hidden;
        /*z-index: 999;*/
        text-align: center;
        padding: 0;
        padding-top: 10px;
        padding-bottom: 10px;
        /*border-radius: 10px;*/
    }
}


/*定义滚动条高宽及背景 高宽分别对应横竖滚动条的尺寸*/
::-webkit-scrollbar {
    width: 7px;
    height: 7px;
    background-color: #8d8d8d;
}
/*定义滚动条轨道 内阴影+圆角*/
::-webkit-scrollbar-track {
    box-shadow: inset 0 0 2px rgba(0, 0, 0, 0.5);
    -webkit-box-shadow: inset 0 0 2px rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    background-color: #8d8d8d;
}
/*定义滑块 内阴影+圆角*/
::-webkit-scrollbar-thumb {
    border-radius: 10px;
    box-shadow: inset 0 0 2px rgba(0, 0, 0, 0.3);
    -webkit-box-shadow: inset 0 0 2px rgba(0, 0, 0, 0.3);
    background-color: #d3d3d3;
}