.box_pop_up { position: fixed; z-index: 3; top: 0; bottom: 0; left: 0; right: 0; background: rgba(0, 0, 0, 0.7);
    transition: opacity 500ms; visibility: hidden; opacity: 0; }

.box_pop_up_main { float: left; width: 100%; height: auto; border: 0px solid green; margin-bottom: 0.3em; } 

.box_pop_up:target { visibility: visible; opacity: 1; }

.box_pop_up h3 { margin-bottom: 2px; font-size: 1.5em; color: black; transition: 0.3s; }

.box_pop_up_boton { width: 150px; height: auto; }
.box_pop_up_boton p { padding: 5px 0; border-radius: 5px; text-align: center; color: white; 
  background: grey; margin: 0; margin-left: 2px; } 
.box_pop_up_boton p:hover { font-weight: bold; } 

.box_pop_up_body {
  position: fixed;
  width:80%; height:80%; top:10%; left:10%; padding:2%; border-radius: 15px; background: white;
  transition: all 0.3s ease-in-out;
}
.box_pop_up_body h3 { font-size: 1.2em; color: black;}

.box_pop_up_content { height: 90%; overflow-x: hidden; overflow-y: scroll; } 

.box_pop_up_close { position: absolute; top: 3%; right: 2%; font-size: 50px; font-weight: bold; 
  text-decoration: none; }

.box_pop_up_box { float: left; width: 60vw; border-radius: 15px; padding-bottom: 0.3em;
  border: 3px solid grey; }

.box_pop_up_sel { float: left; height: auto; margin-left: 0.3em; margin-top: 0.3em;
  padding: 0.3em; border-radius: 5px; background: grey; border: 1px solid grey; }
.box_pop_up_sel * { vertical-align: middle; } 
.box_pop_up_sel span { text-align: center; color: white; }

.box_pop_up_sel_vacia { float: left; height: auto; margin-left: 0.3em; margin-top: 0.3em;
  padding: 0.3em; border-radius: 5px; background: white; border: 1px solid white; }
.box_pop_up_sel_vacia span { text-align: center; color: white; }

.box_pop_up_tabla { overflow-x: auto; overflow-y: scroll; border: 1px solid lightgrey; }
.box_pop_up_tabla table { border-collapse: collapse; width: 100%; }
.box_pop_up_tabla th { position: sticky; position: -webkit-sticky; top: 0; z-index: 3; text-align: center;  }
.box_pop_up_tabla th { padding: 0.5em; font-weight: bold; color: black; background-color: lightgray; border-right: 1px solid white; }
.box_pop_up_tabla td { padding: 0.3em; border-right: 1px solid lightgrey; border-bottom: 1px solid lightgrey; z-index: 2; }
.box_pop_up_tabla tr:nth-child(even) { background-color: #FFEBCC; }