webapp/src/components/Inbox/Search.module.scss

.Search {
  flex: 1;

  .field {
    position: relative;
    background: #fff;
    border: 2px solid #e8e8e8;
    border-radius: 2px;
    overflow: hidden;

    input {
      display: block;
      height: 36px;
      border: none;
      box-shadow: none;
      padding: 10px 36px 10px 12px;
      width: 100%;
      font-family: Muller, Arial, Helvetica, sans-serif;
      font-style: normal;
      font-weight: 400;
      font-size: 15px;

      &::placeholder {
        color: #858585;
        font-family: inherit;
      }

      &:focus {
        outline: none;

        & + .icon {
          opacity: 0;
          right: -30px;
        }
      }
    }

    .icon {
      transition: 0.3s ease-in-out;
      position: absolute;
      width: 16px;
      height: 16px;
      top: 10px;
      right: 12px;
      opacity: 0.5;
    }
  }
}