h1 span{font-weight:600}.header-Btn::before{content:'';position:absolute;z-index:-1;top:50%;transform:translate(-50%,-50%) rotate(45deg);left:50%;width:0;height:0;background-color:#48ACD6;transition:1s linear}.header-Btn:hover::before{padding:150px}.header-Btn{z-index:13;overflow:hidden}/* End of Header button/*