.studytools-hero {
  background-size: cover;
  background-position: center;
  background-color: #151740;
  color: #fff;
  padding: 80px 20px;
}

.studytools-hero-title {
  font-size: 2.6rem;
  font-weight: 600;
  margin: 0px;
  line-height: 3.19rem;
}

.studytools-hero__video {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  margin-bottom: 20px;
}
.studytools-hero__video iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100% !important;
  height: 100% !important;
  border: none;
  max-width: 100%;
}


.studytools-hero__html {
  margin: 0 auto 28px auto;
  padding: 18px;
  background-color: #fff;
  color: #222;
  border-radius: 8px;
  max-width: 95%;
  font-size: 1rem;
  box-shadow: 0 2px 12px 0 rgba(0,0,0,0.08);
}

.studytools-hero__btnwrap {
  margin-top: 18px;
}

/* Responsivo */
@media (max-width: 768px) {
  .studytools-hero {
    padding: 30px 0px;
  }
  .studytools-hero-title {
    line-height: 2.5rem;
  }
  .studytools-hero__video iframe {
    min-height: 180px;
  }
}