.navbar-collapse {
  position: relative;
}

.navbar-collapse form[role='search'] button,
.navbar-collapse form[role='search'] input {
  border-radius: 0px;
  border-width: 0px;
  box-shadow: none;
  outline: none;
}
.navbar-collapse form[role='search'] input {
  box-shadow: none;
}
.navbar-collapse form[role='search'] button[type='reset'] {
  display: none;
}

@media (max-width: 768px) {
  .navbar-collapse form[role='search'] input {
    /*border-bottom: 1px solid #000;*/
    margin-left: 10px;
    margin-right: 10px;
    margin-top: 15px;
    height: 50px;
    background: rgba(0, 0, 0, 0.025);
  }

  .navbar-collapse form[role='search'] button {
    display: none;
  }
}

@media (min-width: 768px) {
  .navbar-collapse {
    padding-top: 0px !important;
    padding-right: 38px !important;
  }

  .navbar-collapse form[role='search'] {
    position: absolute;
    right: 0px;
    width: 100%;
    padding: 0px;
    margin: 0px;
    z-index: 0;
  }

  .navbar-collapse form[role='search'] {
    width: 38px;
    font-size: 0px;
  }

  .navbar-collapse form[role='search'] button,
  .navbar-collapse form[role='search'] input {
    padding: 15px 12px;
  }

  .navbar-collapse form[role='search'] input {
    font-size: 18pt;
    opacity: 0;
    display: none;
    height: 50px;
  }

  .navbar-collapse form[role='search'].active {
    width: 98%;
  }

  .navbar-collapse form[role='search'].active button,
  .navbar-collapse form[role='search'].active input {
    display: table-cell;
    opacity: 1;
  }

  .navbar-collapse form[role='search'].active input {
    width: 98%;
  }

  .navbar-collapse form[role='search'].active input::-webkit-input-placeholder {
    color: #333;
  }

  .navbar-collapse form[role='search'].active input:-ms-input-placeholder {
    color: #333;
  }

  .navbar-collapse form[role='search'].active input::placeholder {
    color: #333;
  }
}