.MuiButtonBase-root.buttonHover:hover{background:#242424}.MuiButtonBase-root.buttonHover{background:#474747}.event-container{position:relative;cursor:pointer;display:flex;align-items:center;justify-content:space-between;padding-right:10px}.delete-icon{opacity:0;transition:opacity .3s;margin-left:5px;z-index:1;cursor:pointer}.event-container:hover .delete-icon{opacity:1}