.sp_line {
    color: gainsboro;
    margin-left: 10px;
    margin-right: 20px;
}

.doc-text ul li {
    line-height: 50px;
    vertical-align: middle;
    padding-left: 1rem;
}

.about-x {
    margin-top:40px;
    border-radius: 10px;
    background-color: #00fff6;
    padding: 10px;
    box-shadow: 5px 5px 10px #ccc;
    font-size: 18px;
}

@media (max-width: 993px) {
    .sp_line {
        display: none;
    }

    b {
        margin-right: 20px
    }
}