.masterpass a.payex-masterpass-button,
.masterpass a.payex-masterpass-button:hover,
.masterpass a.payex-masterpass-button:visited,
.masterpass a.payex-masterpass-button:hover {
    color: transparent;
}

.masterpass img {
    height: auto;
    max-width: 100%;
}
.masterpass img {
    border: 0;
}