.buy-click input {
height: 34px;
padding: 6px 12px;
font-size: 12px;
min-width: 50%;
border: 1px solid #ccc;
border-radius: 4px;
}
.buy-click button {
    min-width: 48%;
    height: 34px;
    padding: 5px 16px;
}
.buy-click .box-fail {
color:red;
}
.buy-click .box-success {
color:green;
}