.dflex {
    display: flex;
}

.drow {
    flex-direction: row;
}

.dcol {
    flex-direction: column;
}

.space_between {
    justify-content: space-between;
}

.align_center {
    align-items: center;
}

.m_auto {
    margin: auto;
}

.mv30 {
    margin-top: 30px;
    margin-bottom: 30px;
}

.w75 {
    width: 75%;
}

.w100 {
    width: 100%;
}

.pt_20 {
    padding-top: 20px;
}

.text_center {
    text-align: center;
}

.bold {
    font-weight: bold;
}

.center_img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 40%;
}