body{
  background-color: ;
  width:100%;
  font-family: Roboto Mono;
  font-size: 18px;
}

.intro{
  margin:40px;
  max-width: 60%;
}

.page_title{
  font-size:50px;
}


.intro_text{
  margin-top:15px;
}

.sec_title{
  font-size:30px;
}

.seperator{
  width:100%;
  height: 40px
  border-style:dotted;
  border-width:2px;
  border-color: blue;
  margin-top:30px;
  margin-bottom:30px;  
}

.week_01{
  margin:40px;
}

.audio{
  margin-top:40px;
  color:pink;
}