.botones:before{content:"";width:50px;height:1px;background:#A8FF3E;z-index:9999;display:block;position:relative;top:35px;left:32px;opacity:1;transition:all .2s ease-in-out}.botones:hover:before{width:100%}@media (max-width:767px){.botones:before{display:block!important;opacity:1!important;width:50px!important;height:1px!important;background:#A8FF3E!important}}