Predefinição:Skillbox/styles.css

.skillbox-container {
  width: 100%;
  font-family: sans-serif;
  color: #222;
  margin: 0 auto;
  overflow-x: clip; /* <-- este é o isolamento */
  position: relative; /* necessário para o clip funcionar */
}

.skillbox-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding: 0;
}

.skillbox-info-area {
  width: 100%;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 24px 0 0;
  padding: 0;
}

.skillbox-wrapper {
  width: 100%;
  max-width: 900px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 auto;
}

.skillbox-tabs-separator {
  width: 100vw;
  height: 2px;
  background: #ccc;
  margin: 0 calc(-50vw + 50%);
}

.skillbox-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
  gap: 6px;
  padding: 0;
  margin-bottom: -2px;
}

.skillbox-tab {
  cursor: pointer;
  background: #eaf1fb;
  color: #1d3f63;
  border: 2px solid #337ab7;
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  padding: 8px 16px;
  font-size: 1em;
  font-weight: bold;
  transition: background 0.2s ease;
}

.skillbox-tab.active,
.skillbox-tab:hover {
  background: #337ab7;
  color: #fff;
  border-color: #337ab7;
  border-bottom: none;
}

.skillbox-desc {
  font-size: 1em;
  width: 100%;
  max-width: 840px;
  text-align: center;
  font-weight: 500;
  line-height: 1.6;
  margin: 0 auto;
  color: #222;
  padding: 12px 0 8px;
}

.skillbox-video-area {
  width: 100%;
  max-width: 900px;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 !important;
  margin: 0 auto !important;
}

.skillbox-video video {
  width: 100%;
  max-width: 720px;
  min-height: 270px;
  background: #000;
  border-radius: 6px;
  display: block;
  margin: 0 auto;
  padding: 0;
  vertical-align: middle;
}

@media (max-width: 768px) {
  .skillbox-tab {
    padding: 8px 14px;
    font-size: 1.05em;
  }

  .skillbox-desc {
    font-size: 0.95em;
    padding: 10px 0 6px;
  }

  .skillbox-video video {
    max-width: 100%;
    min-height: 220px;
  }
}