html {
  scroll-behavior: smooth;
}

#header {
  background: url("https://bizcube-chula.com/wp-content/uploads/2018/02/Banshi-Chula.jpg")
      no-repeat 0,
    0;
  background-size: cover;
  height: 400px;
  width: auto;
  position: relative;
}
p {
  margin-bottom: 0.5rem;
}

#header::after {
  position: absolute;
  content: " ";
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background-color: white;
  opacity: 0.9;
}

.content-header {
  width: 80%;
}

.topic {
  display: flex;
  height: 55px;
}

.topic a {
  border-radius: 10px;
}

.topic a:hover {
  background-color: #fff;
  color: #022433;
  border: 2px solid #022433;
}

.topic1,
.topic2,
.topic3,
.topic4,
.topic5 {
  padding: 5px;
  background-color: #022433;
  width: 30%;
  margin-right: 50px;
  display: flex;
  justify-content: center;
  text-align: center;
  align-items: center;
  color: white;
  text-decoration: none;
  font-weight: 600;
}

.topic1:hover,
.topic2:hover,
.topic3:hover,
.topic4:hover {
  text-decoration: none;
  color: white;
}

#content {
  display: flex;
}

.content-q {
  width: 100%;
}

.question {
  background-color: #f8f8f8;
  /* background-color: #ffffff; */
  border: 1px solid #f8f8f8;
  border-radius: 20px;
  color: #444;
  cursor: pointer;
  padding: 18px;
  width: 100%;
  /* border: none; */
  text-align: left;
  outline: none;
  font-size: 15px;
  transition: 0.4s;
  font-weight: bold;
  margin-bottom: 15px;
}

.question-panel {
  padding: 0 10px;
  background-color: white;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease-out;
}

/* .question-panel p {
  margin-top: 10px;
} */

.active,
.question:hover {
  border: 1px solid #022d40;
  background-color: white;
  font-weight: bolder;
  color: #022d40;
}

.question::after {
  content: "\002B";
  /* color: #777; */
  font-weight: bold;
  float: right;
  margin-left: 5px;
}

.active::after {
  content: "\2212";
}

#BIZ_CUBE::before,
#COURSES::before,
#REGISTRATION::before,
#USER_ACCOUNT::before {
  content: "";
  display: block;
  height: 104px; /* fixed header height*/
  margin: -104px 0 0; /* negative fixed header height */
}

@media screen and (max-width: 700px) {
  .content-header {
    width: 90%;
  }

  .topic1,
  .topic2,
  .topic3 {
    width: 100%;
    margin-right: 0;
  }

  #content {
    justify-content: center;
  }
}

@media screen and (max-width: 900px) {
  .topic1,
  .topic2,
  .topic3,
  .topic4 {
    margin-right: 20px;
  }
}

@media screen and (max-width: 803px) {
  .topic {
    display: block;
    height: auto !important;
    padding: 10px;
    padding-bottom: 0px;
  }

  .topic1,
  .topic2,
  .topic3,
  .topic4 {
    width: 45%;
    float: left;
    margin-right: 10px;
    margin-bottom: 10px;
    height: 55px;
  }
}

@media screen and (max-width: 630px) {
  #header {
    height: 500px;
  }

  .topic {
    display: block;
    height: auto !important;
    padding: 10px;
    padding-bottom: 0px;
  }

  .content-header {
    width: 100%;
  }

  .topic1,
  .topic2,
  .topic3,
  .topic4 {
    width: 100%;
    margin-right: 0;
    margin-bottom: 10px;
  }
}