<div class="container-fluid text-center" style="padding-top: 15px">
  <h6 class="card-subtitle mb-2 text-muted">Tools & Software</h6>
  <div class="row justify-content-center">
    <img src="img/icons/adobe.png" class="skill-icon" alt="Adobe Creative Suite" data-toggle="tooltip" data-placement="top" title="Adobe Creative Suite">
    <img src="img/icons/gravit.png" class="skill-icon" alt="Gravit Designer" data-toggle="tooltip" data-placement="top" title="Gravit Designer">
    <img src="img/icons/macos.png" class="skill-icon" alt="macOS" data-toggle="tooltip" data-placement="top" title="macOS">
    <img src="img/icons/windows.png" class="skill-icon" alt="Windows" data-toggle="tooltip" data-placement="top" title="Windows">
    <img src="img/icons/adobe.png" class="skill-icon" alt="Adobe Creative Suite" data-toggle="tooltip" data-placement="top" title="Adobe Creative Suite">
    <img src="img/icons/gravit.png" class="skill-icon" alt="Gravit Designer" data-toggle="tooltip" data-placement="top" title="Gravit Designer">
    <img src="img/icons/macos.png" class="skill-icon" alt="macOS" data-toggle="tooltip" data-placement="top" title="macOS">
    <img src="img/icons/windows.png" class="skill-icon" alt="Windows" data-toggle="tooltip" data-placement="top" title="Windows">
    <img src="img/icons/adobe.png" class="skill-icon" alt="Adobe Creative Suite" data-toggle="tooltip" data-placement="top" title="Adobe Creative Suite">
    <img src="img/icons/gravit.png" class="skill-icon" alt="Gravit Designer" data-toggle="tooltip" data-placement="top" title="Gravit Designer">
    <img src="img/icons/macos.png" class="skill-icon" alt="macOS" data-toggle="tooltip" data-placement="top" title="macOS">
    <img src="img/icons/windows.png" class="skill-icon" alt="Windows" data-toggle="tooltip" data-placement="top" title="Windows">
    <img src="img/icons/adobe.png" class="skill-icon" alt="Adobe Creative Suite" data-toggle="tooltip" data-placement="top" title="Adobe Creative Suite">
    <img src="img/icons/gravit.png" class="skill-icon" alt="Gravit Designer" data-toggle="tooltip" data-placement="top" title="Gravit Designer">
    <img src="img/icons/macos.png" class="skill-icon" alt="macOS" data-toggle="tooltip" data-placement="top" title="macOS">
    <img src="img/icons/windows.png" class="skill-icon" alt="Windows" data-toggle="tooltip" data-placement="top" title="Windows">
  </div>
</div>

.skill-icon {
    width: auto;
    height: 50px;
    padding-left: 8px;
    padding-right: 8px;
    padding-top: 5px;
    padding-bottom: 5px;
}