.start { width: 100%; min-height: 100vh; position: relative; z-index: 999; } .start>image { width: 100%; min-height: 100vh; } .start>text { display: block; width: 1rem; line-height: .54rem; text-align: center; color: #FFFFFF; font-size: .28rem; border-radius: .27rem; background-color: #3f5ee0; position: fixed; left: .24rem; top: .5rem; }