.student_2ra a {
    color: #777777;
}

.st_1 {
    color: #777777;
    position: relative;
    font-size: 14px;
    height: 75px;
}

    .st_1 .item {
        /* background-color: red; */
        width: 676px;
        margin: 35px auto;
    }

        .st_1 .item .c {
        }

        .st_1 .item input {
            width: 400px;
            height: 28px;
            line-height: 28px;
            outline: none;
            border: 1px #e5e5e5 solid;
        }

.st_2 {
}

    .st_2 table {
        width: 100%;
        font-size: 14px;
    }

        .st_2 table th {
            height: 45px;
            line-height: 45px;
            border: #e5e5e5 solid;
            border-width: 1px 0px 1px 0px;
            text-align: center;
        }

        .st_2 table td {
            height: 40px;
            line-height: 40px;
            text-align: center;
        }