.section-email::before{
    content: '';
    position: absolute;
    top:0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color:rgba(0,166,63,0.5);
}
.section-email input[type=email]::-webkit-input-placeholder { /* Edge */
    color: #fff;
  }
  
  .section-email input[type=email]:-ms-input-placeholder { /* Internet Explorer 10-11 */
    color: #fff;
  }
  
  .section-email input[type=email]::placeholder {
    color: #fff;
  }