css - rounded input

gistfile1

.mac {
    display: block;
    border: none;
    border-radius: 20px;
    padding: 5px 8px;
    color: #333;
    box-shadow: 
        inset 0 2px 0 rgba(0,0,0,.2), 
        0 0 4px rgba(0,0,0,0.1);
}
 
.mac:focus {
    outline: none;
    box-shadow: 
        inset 0 2px 0 rgba(0,0,0,.2), 
        0 0 4px rgba(0,0,0,0.1), 
        0 0 5px 1px #51CBEE;
}