input,
select,
textarea { border-radius: 8px; border: 1px solid #756E6E; display: block; text-transform: uppercase;  
    width: 100%;
    padding: 15px;
    font-size: 16px; background-color: rgba(255,255,255,0.2);}

 ::placeholder {
  color: #25224A;
  opacity: 1; /* Firefox */
}

::-ms-input-placeholder { /* Edge 12 -18 */
  color: #25224A;
}