input:focus::-webkit-input-placeholder, input:focus::-webkit-input-placeholder {
    text-align: right;
    font-size: 10px;
    color: #aaa;
}
input:focus:-moz-placeholder, input:focus:-moz-placeholder {
    text-align: right;
    font-size: 10px;
}
input:focus::-moz-placeholder, input:focus::-moz-placeholder {
    text-align: right;
    font-size: 10px;
}
input:focus:-ms-input-placeholder, input:focus:-ms-input-placeholder {
    text-align: right;
    font-size: 10px;
}