.first-page-menu-list {
    list-style-image: url('../graphics/list-style-image.png');
    list-style-position: inside;
    text-transform: uppercase;
}

<ul>
    <li>the item</li>
    <li>the item</li>
    <li>the item</li>
</ul>

ul {
    overflow: auto; /* similar to clearing the floats... */
    border: 1px solid gray;
}
ul li {
    float: left;
    border: 1px solid blue;
    padding: 10px;
    margin: 0 20px;
}

.first-page-menu-list li {
    background: url('../graphics/list-style-image.png') no-repeat 0px 4px;
    display: inline;
    text-transform: uppercase;
    padding-left: 15px;
    margin-left: 10px;
}

<ul class="first-page-menu-list">
    <li>asd</li>
    <li>asdf </li>
    <li> asdf</li>
</ul>

ul.inline-list-style {
  list-style: upper-roman;
  display: flex;
}
ul.inline-list-style li {
  flex: 1;
}