input[type=text]:not(.browser-default) {
  border-bottom: 1px solid #444;
  color: #444;
  padding-left: 0px;
  pointer: text;
  text-align: center;
}
input[type=text]:not(.browser-default):focus:not([readonly]) {
  color: #444;
  border-bottom: 2px solid #444;
  -webkit-box-shadow: 0 1px 0 0 #444;
  box-shadow: 0 1px 0 0 #444;
}
input[type=text].invalid:not(.browser-default) {
  background-color: rgba(255, 0, 0, 0.8);
  box-shadow: 0 0 0 0;
  -webkit-box-shadow: 0 0 0 0;
}
input[type=text].valid:not(.browser-default) {
  box-shadow: 0 0 0 0;
  -webkit-box-shadow: 0 0 0 0;
  border: none;
}
input[type=text]::-webkit-input-placeholder {
  color: #888;
  letter-spacing: 1px;
  font-weight: 400;
}
input[type=text]::-moz-placeholder {
  color: #888;
  letter-spacing: 1px;
  font-weight: 400;
}
input[type=text]:-ms-input-placeholder {
  color: #888;
  letter-spacing: 1px;
  font-weight: 400;
}
input[type=text]::-ms-input-placeholder {
  color: #888;
  letter-spacing: 1px;
  font-weight: 400;
}
input[type=text]::placeholder {
  color: #888;
  letter-spacing: 1px;
  font-weight: 400;
}

.input-field .prefix {
  position: absolute;
  width: 1.5rem;
  font-size: 16px;
  right: 6px;
  top: 14px;
}