.anniu{position:relative; padding:3px 25px;  display:inline-block;border-radius:15px;  background: linear-gradient(to bottom, #bbee6e, #64bb24,#6ed91e);overflow:hidden;box-shadow:1px 1px 2px #52ae20}

.anniu::after{content: '';position: absolute;top: 5px;right: 8px;width: 2px;height: 5px;background: rgba(255, 255, 255, 0.8);transform:rotate(-45deg); border-radius:3px 9px 4px 9px;overflow:hidden}

.anniu::before{content: '';position: absolute;bottom: 0px;left: 0px;width: 100%;height: 8px;background: linear-gradient(to bottom, #69cf1d, #fff); opacity:0.5;  overflow:hidden;border-radius:50% 50% 0px 0px}