nav{z-index:1;background-color:#ebffa9;width:100%;padding:1em;position:fixed;bottom:0;left:0}.navegacion{justify-content:space-between;display:flex}.icono-gym{width:50px;height:auto;transition:transform .3s,filter .3s}.icono-gym:active{transform:scale(1.2)}@media (max-width:768px){.icono-gym{width:30px!important}}@media (min-width:768px){.icono-gym{width:25px!important}}