html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

a.tdnw { 
  color: white; 
  text-decoration: none; 
}

a.tdnd { 
  color: dimgray; 
  text-decoration: none; 
}

a.tdng {
  color: gray; 
  text-decoration: none; 
}

a.barheader {
  color: whitesmoke; 
  text-decoration: none; 
}

.whatsapp {
 position: fixed; 
 right:25px; /*Margen derecho*/
 bottom:20px; /*Margen abajo*/
 z-index:999;
}
.whatsapp img {
 width:60px; /*Alto del icono*/
 height:60px; /*Ancho del icono*/
}
.whatsapp:hover{
opacity: 0.7 !important;
filter: alpha(opacity=70) !important;
}

footer {
  background-color: black;
  position: absolute;
  bottom: 0;
  width: 100%;
  color: white;
}