h2 {
    margin: 0;
    font-size: 16px;
    display:inline-block;
    padding: 0 5px;
}
.main {
    height: calc(100vh - 20px);
    padding-left: 0;
}
.main .text {
    margin-top: 5px;
    height: 190px;
    overflow: auto;
    font-size: 13px;
}
.main .back {
    /* position: fixed;
    bottom: 0;
    left: 0;
    background: rgb(197, 197, 197);
    width: 100%;
    color: black;
    text-decoration: none;
    padding: 0 5px;
    box-sizing: border-box; */
    background: rgb(224, 224, 224);
    color: rgb(65, 65, 65);
    text-decoration: none;
    padding: 0 5px;
    box-sizing: border-box;
}