body{
     background-color: #E8F5E9;
}
.headerclass{
    font-size: 20px;
    font-family:  Helvetica;
    align-items: center;
    justify-content: center;
    flex:1;
    display:flex;
    background-color: rgb(227, 242, 253) ;

}
.headerclass h3{
    font-size: 30px;
    font-family:  Helvetica;
    align-items: center;
    justify-content: center;
    flex:1;
    display:flex;

}
.headerclass nav{
    padding:10px;
    margin:15px ;
     list-style: none;
    align-items: center;
    justify-content: center;
    flex:1;
    display:flex;
    padding-left: 100px;
}
.headerclass  nav ol{
    list-style: none;
    align-items: center;
    justify-content: center;
    flex:1;
    display:flex;
    padding:0px;
    padding-left: 100px;
   

}
.headerclass  nav ol li{
    list-style: none;
    align-items: center;
    justify-content: center;
    flex:1;
    display:flex;
    padding:5px;
    cursor: pointer;
    

}
.headerclass a{
    text-decoration: none;
    color: black;
    cursor: pointer;
}
.div1{
    background-color: #E8F5E9;
    text-align: center;
    align-items: center;
    justify-content: center;
    width: 100vw;                
    min-height: 80vh; 

}
.div1 h1{
    font-size: 50px;
    font-family: Helvetica;
    text-align: center;
    align-items: center;
    justify-content: center;
    flex:1;
    display:flex;
    padding-left:50px;
    padding-top: 15%;
    
}
.div1 p{
    font-size: 15px;
    font-family: Helvetica;
    text-align: center;
    align-items: center;
    justify-content: center;
    flex:1;
    display:flex;
}
.btn1{
    padding: 40px;
}
.btn{
    font-size: 15px;
    font-family: Helvetica;
    text-align: center;
    justify-content: center;
    margin-top: 60px;
    padding: 12px 30px;
    border-radius: 25px;
    border: none;
    background: #ddd;
    cursor: pointer;
    background-color: #C8E6C9;
    text-decoration: none;
    color: black; 
    
}
.btn :hover{
     background-color: #fff;
}
@media (max-width: 768px) {
    .headerclass {
        flex-direction: column;
        padding: 10px;
        text-align: center;
    }
    .headerclass h3 {
        font-size: 24px;
        margin-bottom: 10px;
    }
    .headerclass nav{
        padding:20px;
        padding:10px;
        margin:15px ;
        list-style: none;
        align-items: center;
        justify-content: center;
        flex:1;
        display:flex;
        
        
    }
    .headerclass nav ol {
        flex-direction: column;
        padding-left: 0;
        gap: 8px;
    }
    .headerclass nav li {
        flex: none;
    }
    .div1 {
        min-height: 60vh;
        padding: 20px;
    }
    .div1 h1 {
        font-size: 28px;
        padding: 0;
    }
    .div1 p {
        font-size: 14px;
        padding: 0 10px;
    }
    .btn {
        margin-top: 30px;
        padding: 10px 20px;
        font-size: 14px;
    }
}