Template:Sandbox/Aurelain/SkillsNavbox/styles.css

.skills-navbox > * {
    border: 1px solid #45494E;
    border-bottom:0;
}

.skills-navbox .header {
    text-align: center;
    padding: 4px;
    background: #1F3756;
}

.skills-navbox .skills {
    border-top: 0;
    display:flex;
    justify-content: center;
    flex-wrap: wrap;
    padding-bottom:8px;
}