.activar-cuadro{background-color:#2980b9;box-shadow:0 0 6px #000;width:50px;-webkit-transition:background-color 2s ease-out,width 1s ease,box-shadow 1s linear;-moz-transition:background-color 2s ease-out,width 1s ease,box-shadow 1s linear;-o-transition:background-color 2s ease-out,width 1s ease,box-shadow 1s linear;-ms-transition:background-color 2s ease-out,width 1s ease,box-shadow 1s linear;transition:background-color 2s ease-out,width 1s ease,box-shadow 1s linear}.contenedor-contacto{width:50px;height:10vh;position:fixed;left:0;bottom:50vh}