.button-fill-animation{position:relative;overflow:hidden}.button-fill-animation:before{content:"";position:absolute;top:0;left:0;height:100%;width:0;background-color:hsl(var(--secondary));transition:width .4s ease-in-out;z-index:0}.button-fill-animation:hover:before{width:100%}.button-content{position:relative;z-index:1}