body{
    width: 99%;
    height: 100vh;
    justify-content: center;
    align-items: center;
    background-color: whitesmoke;
    font-size: 1.5rem;
}
.pagehead{
  display: block;
  text-align: center;
  border-top: 2px solid lightseagreen;
  background: linear-gradient(yellow, lightseagreen);
  padding: 0.2rem 0.2rem 0.2rem 0.2rem;
  float:center;
  margin: 0.5rem;
  font-size: 32px;
}
.container{
    padding: 1rem;
    border-radius: 1.2rem;
    background-color: lightyellow;
    margin-left: 25%;
    margin-right: 25%;
    box-shadow: 0px 3px 15px rgba(133, 115, 119, 0.5);
}
img{
    width: 25rem;
    height:20rem;
}
#exmp{
    width: 45rem;
}
#rglt{
    width: 35rem;
    height:15rem;

}
#nslt{
    width: 33rem;
    height:20rem;

}
#note{
    font-size: 1rem;
    color:darkblue;
}
.next{
    background-color: #04AA6D;
    color: white;
    font-size: 18px;
    margin-top: 0.5rem;
    align-content: center;
    text-align: center;
    padding: 8px 16px;
    text-decoration: none;
    width:8rem;
    float:right;
}
.next:hover {
  background-color: #ada;
  color: black;
}
.previous{
    display: block;
    float:left;
    background-color: #04AA6D;
    color: white;
    font-size: 18px;
    margin-top: 0.5rem;
    align-content: center;
    text-align: center;
    padding: 8px 16px;
    text-decoration: none;
    width:5rem;
}
.previous:hover {
  background-color: #ada;
  color: black;
}
.ques{
    color: blue;
}
input{
    font-size: 1rem;
    width: 55px;
}
label{
    color: blue;
}
.subbtn{
    height:auto;
    width:auto;
    background-color:#81cdc6;
    font-size: 1.2rem;
    border: 1px solid teal;
    margin: 0.5rem 0rem 0rem 0rem;
}
#prereqbtn{
    background-color: #dfee11;
    border: 1px solid rgb(139, 119, 4);
    margin-left: 1rem;
}
#lam1{
    margin-left: 1rem;
}
#res4btn{
    margin-left: 1rem;
}
.subbtn2{
    margin-left: 1rem;
}
.btnhead{
    font-size: 1.5rem;
    font-weight: bold;
}
.forleftpad{
    margin-left: 12rem;
}