JSFiddle - React, Tailwind, and code Playground

HTML

<div class="positionCameras">
    <ul>
        <li title="Move Up" class="cameraLeft" id="cameraUp"></li>
        <li title="Camera" class="cameraIcon"></li>
        <li title="Move Down" class="cameraRight" id="cameraDown"></li>
    </ul>
</div>

CSS

.positionCameras ul, .positionCameras li {
    margin: 0;
    padding: 0;
    list-style: none;
    display: inline-block;
}
.positionCameras li.cameraLeft, .positionCameras li.cameraIcon, .positionCameras li.cameraRight {
    width: 25px;
    height: 25px;
    cursor: pointer;
    background: #cccccc;
    margin: 5px;
    border-radius: 5px;
    border: 1px solid #aaaaaa;
    box-shadow: 1px 2px 15px #cccccc;
}
.positionCameras li.cameraLeft:before {
    content:" ";
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 5px 10px 5px;
    border-color: transparent transparent #007bff transparent;
}
.positionCameras li.cameraIcon {
    cursor: default;
}
.positionCameras li.cameraRight:before {
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 8.7px 5px 0 5px;
    border-color: #007bff transparent transparent transparent;
}