.botonhoras {
background-color: #DEEAD8;
background-image: url(images/web-amje.png); 
background-repeat: no-repeat; 
background-position: center center; 
border-top-width: 0px; 
border-right-width: 0px; 
border-bottom-width: 0px; 
border-left-width: 0px; 
border-top-style: none; 
border-right-style: none; 
border-bottom-style: none; 
border-left-style: none; 
} 

.botontaza { 
background-color: #E6EDE6; 
background-image: url(images/tazacambio.png); 
background-repeat: no-repeat; 
background-position: center center; 
border-top-width: 0px; 
border-right-width: 0px; 
border-bottom-width: 0px; 
border-left-width: 0px; 
border-top-style: none; 
border-right-style: none; 
border-bottom-style: none; 
border-left-style: none; 
}

.botondegoogle { 
background-image: url(images/boton-google.png); 
height: 22px; 
width: 122px; 
background-repeat: no-repeat; 
background-position: center center; 
border-top-style: none; 
border-right-style: none; 
border-bottom-style: none; 
border-left-style: none; 
background-color:#D8EACB; 
 
}