.back_hover{ position:relative; } .back_hover::before{ position:absolute; background-color:var(--rosa); z-index:-1; content:''; display:block; width:100%; height:100%; top:0; left:0; border-radius:var(--radius); transition:all .3s ease-in-out } .back_hover:hover::before{ transform: rotatez(4deg); }