docsearch/docs/css/_searchbar.scss

$custom:(
  input-width: 190px,
  input-height: 36px,
  border-width: 2px,
  border-radius: 18px,
  input-border-color: darken(#1D96C7,10%),
  input-focus-border-color: #1D96C7,
  input-background: #091724,
  input-focus-background: #091724,
  font-size: 13px,
  placeholder-color: #AAAAAA,
  icon-size: 16px,
  icon-position: left,
  icon-color: #1D96C7,
  icon-background: #FFFFFF,
  icon-background-opacity: 0,
  icon-clear-size: 12px
);

@mixin searchbox(
  $input-width: 500px,
  $input-height: 40px,
  $border-width: 1px,
  $border-radius: 3px,
  $input-border-color: #ccc,
  $input-focus-border-color: darken($input-border-color, 15%),
  $input-background: #fff,
  $input-focus-background: $input-background,
  $font-size: 14px,
  $placeholder-color: #aaa,
  $icon: 'sbx-icon-search-1',
  $icon-size: 18px,
  $icon-position: right,
  $icon-color: #fff,
  $icon-background: #3e82f7,
  $icon-background-opacity: 1,
  $icon-clear: 'sbx-icon-clear-1',
  $icon-clear-size: 12px
) {
  display: inline-block;
  position: relative;
  width: $input-width;
  height: $input-height;
  white-space: nowrap;
  box-sizing: border-box;

  &__input {
    display: inline-block;
    transition: box-shadow .4s ease, background .4s ease, padding .4s ease;
    border: 0;
    border-radius: $border-radius;
    box-shadow: inset 0 0 0 $border-width $input-border-color;
    background: $input-background;
    padding: 0;
    padding-right: if($icon-position == 'right', $input-height, 0) + $icon-clear-size * 2 + 8px;
    padding-left: if($icon-position == 'right', $font-size, $input-height + if($icon-background-opacity == 0, 0, 8px));
    width: 100%;
    height: 100%;
    vertical-align: middle;
    white-space: normal;
    font-size: $font-size;
    appearance: none;
    color: white;

    &::-webkit-search-decoration,
    &::-webkit-search-cancel-button,
    &::-webkit-search-results-button,
    &::-webkit-search-results-decoration {
      display: none;
    }

    &:hover {
      box-shadow: inset 0 0 0 $border-width darken($input-border-color, 10%);
    }

    &:focus,
    &:active {
      outline: 0;
      box-shadow: inset 0 0 0 $border-width $input-focus-border-color;
      background: $input-focus-background;
    }

    &::placeholder {
      color: $placeholder-color;
    }

  }

  &__submit {
    position: absolute;
    top: 0;
    #{$icon-position}: 0;
    margin: 0;
    border: 0;
    border-radius: if($icon-position == 'right', 0 $border-radius $border-radius 0, $border-radius 0 0 $border-radius);
    background-color: rgba($icon-background, $icon-background-opacity);
    padding: 0;
    width: $input-height;
    height: 100%;
    vertical-align: middle;
    text-align: center;
    user-select: none;

    // Helper for vertical alignement of the icon
    &::before {
      display: inline-block;
      margin-right: -4px;
      height: 100%;
      vertical-align: middle;
      content: '';
    }

    &:hover,
    &:active {
      cursor: pointer;
    }

    &:focus {
      outline: 0;
    }

    svg {
      width: $icon-size;
      height: $icon-size;
      vertical-align: middle;
      fill: $icon-color;
    }
  }

  &__reset {
    position: absolute;
    top: ($input-height - $icon-clear-size) / 2 - 4px;
    right: if($icon-position == 'right', 8px + $input-height, ($input-height - $icon-clear-size) / 2) - 4px;
    margin: 0;
    border: 0;
    background: none;
    cursor: pointer;
    padding: 0;
    user-select: none;

    &.hide{
      display: none;
    }

    &:focus {
      outline: 0;
    }

    svg {
      display: block;
      margin: 4px;
      width: $icon-clear-size;
      height: $icon-clear-size;
      fill: $icon-color;
    }
  }

  &__input:valid ~ &__reset {
    display: block;
    animation-name: sbx-reset-in;
    animation-duration: .15s;
  }

  @keyframes sbx-reset-in {
    from {
      transform: translate3d(-20%, 0, 0);
      opacity: 0;
    }

    to {
      transform: none;
      opacity: 1;
    }
  }
}

.sbx-custom{
  @include searchbox($custom...);
}

.site-header .navbar .navbar-nav > li.searchbar-wrapper {
  margin: 0;
  padding: 0
}

.algolia-autocomplete {
  display: inline !important;
}