input[type=submit] {  
padding: .5em 1em;  
background: #333;  
color: #DDD;  
text-decoration: none;  
display: inline-block;  
border-radius: 3px;  
font-size: 85%;  
text-transform: uppercase;  
border: none;  
-webkit-appearance: none;  
}  
input[type=submit]:hover {  
color: #FFF;  
background: #86C140;  
}