#app{height:100%}.m_flex_row{flex-direction:row}.m_flex_column,.m_flex_row{display:flex;display:-webkit-flex;align-items:center}.m_flex_column{flex-direction:column}.m1{font-size:24px;font-weight:700}.m1,.m2{color:#333}.m2{font-size:16px;font-weight:500}