.logo-image{
    width: 80%;
    height: 80%;
    display: flex;
    margin: auto;
}

.btn-lng-home {
    display: inline-block;
    padding: 0.5em 1em;
    text-decoration: none;
    background:  #8ac5c3;
    color: #FFF;
    border-bottom: solid 4px #547977;
    border-radius: 3px;
  }
  .btn-lng-home:active {
    
    -webkit-transform: translateY(4px);
    transform: translateY(4px);
    border-bottom: none;
  }
  .btn-lng-home:hover{
    color: #FFF;
    box-shadow: 0 3px 6px 0 #00000040;
	  transform: translateY(0.1875em);
  }
.button{
    text-align: center;
}


 .ttl_section {
  position: relative;
}

.ttl_section:after {
 content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 7px;
  background: -webkit-repeating-linear-gradient(-45deg, #6ad1c8, #6ad1c8 2px, #fff 2px, #fff 4px);
  background: repeating-linear-gradient(-45deg, #6ad1c8, #6ad1c8 2px, #fff 2px, #fff 4px);
}
  
  .teacher-q-txt{
    text-align: center;
    color: #8ac5c3;
    font-weight: bold;
    font-size: 17px;
    margin-top: 1em;
  }
  #teacher-rcmd{
    font-size: 16px
}
  
  .teacher-part {
  display: grid;
  grid-template-columns: 1fr 1fr; 
  gap: 12px; 
}

.teacher-q-brock {
  background-color: #f2f2f2;
  padding: 8px 12px;
  border-radius: 8px;
}


  .stuquestion-box{
  display: grid;
  grid-template-columns: 1fr 1fr; 
  gap: 36px; 
}

.nowrap{
  list-style-position: inside;
}


@media (max-width: 768px) {

  
  .teacher-part {
    grid-template-columns: 1fr;
    
    gap: 16px;
  }

  .stuquestion-box {
    grid-template-columns: 1fr;
    
    gap: 16px;
  }

  
  p {
    font-size: 15px;
  }

  
  .nowrap {
    font-size: 0.9em;
  }
}

  
  .balloon1-top {
    position: relative;
    display: inline-block;
    margin: 1.5em 0;
    padding: 7px 10px;
    min-width: 120px;
    max-width: 100%;
    color: #555;
    font-size: 16px;
    background: #b9ddd9;
  }
  
  .balloon1-top:before {
    content: "";
    position: absolute;
    top: -30px;
    left: 50%;
    margin-left: -15px;
    border: 15px solid transparent;
    border-bottom: 15px solid #b0dedc;
  }

  .language-audio{
    display: block;
    margin: auto;
  }

  .boxin{
    align-items: center;
    margin: 0 auto;
  }