.sosStripeCustomAmountFlex input {
    font-size: 16px;
    padding: 0;
    border: 2px solid #ccc;
    border-left: 0;
    width: 100%;
    color: #666;
    border-radius: 0 7px 7px 0;
    font-family: 'PT Sans', sans-serif;
    font-weight: bold;
}
.sosStripeCustomAmountFlex input:focus {
    outline: 0;
}
.sosStripeCustomAmountFlex input.error {
    border-color: #ff0000;  
}
.sosStripeCustomAmountFlex label.error {
    background-color: #ff0000;
    color: #fff;
    padding: 6px;
    font-size: 11px;
}

.sosStripeCustomAmountFlex label {
    color: #999;
    display: block;
    margin-bottom: 10px;
    text-transform: uppercase;
    font-size: 20px;
    font-weight: bold;
    letter-spacing: 0.05em
}
.sosStripeCustomAmountFlex {
    display: flex;
    justify-content: flex-start;
	margin-bottom: 10px;
}
.sosStripeCustomAmountFlex input {
    max-width: 150px;
    flex: 1 1 150px;
}
.sosStripeCustomAmountFlex .currency {
    font-size: 16px;
    padding: 0 3px 0 8px;
    color: #999;
    border: 2px solid #ccc;
    border-right: 0;
    line-height: 1.8;
    border-radius: 7px 0 0 7px;
    background: white;
}