ec-react/src/pages/my/profile/index.css

.user-update {
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    font-size: 16px;
    border-top: 1px solid #F3F3F3;
    height: 50px;
    line-height: 50px;
    box-shadow: 3px -1px 1px #ebedf0;
    background-color: #f44;
    color: white;
}