@media screen and (max-width: 520px) {

    nav {

        width: 100%;
           

    } 



    .logo {
   
        height: 40px;
        width: auto;
        margin-top: 20px;
        margin-left: 20px;
          
    }


    ul {

        
        
        margin-right: 0px;
        width: 100%;
        transform: scale(1,0);
        transform-origin: top;
        transition: transform 400ms ease-in-out;
         
       
         
        
    }


     nav ul li {
        
        
        background-color: black;
        width: 100%;
        margin: 0 0px;
        line-height: 50px;
        display: block;
        
        
    } 

     nav ul li a {

        display: block;
    } 
    
    

    nav ul li a:hover {

        background-color: black;
       
     
     }

     #btn {

        font-size: 30px;
        color: white;
        line-height: 80px;
        margin-right: 20px;
        cursor: pointer;
        display: inline-block;
    }
    
    #check:checked ~  ul {

        
        margin-right: 0px;
        width: 100%;
        transform: scale(1,1); 
    
        
            
    }

    #check:checked ~  label #btn {

        display: none;
       
            
    }

    #check:checked ~  label #cancel {

        font-size: 30px;
        color: white;
        line-height: 80px;
        margin-right: 20px;
        cursor: pointer;
        display: inline-block;
       
            
    }



    .img-card {
        margin: auto;
        text-align: center;
        margin-top: 100px;
       
    }
    
    .head-img {
    
        width: 89%;
        height: auto;
        border-radius: 8px;
       
    }
    
    
    .heading-class {
    
        
        background-color: black;
        padding-top: 8px;
        border-radius: 8px;
        width: 89%;
        margin: auto;
        margin-top: 30px;
        
    }
    
    .text-area {
        background-color: white;
        padding: 20px 20px;
        
    }
    
    .main-heading {
    
        font-family: "Avenir Next";
        font-size: 40px;
        padding: 10px 0px;
        line-height: 44px;
        letter-spacing: .2px;
    }
    
    .main-paragraph {
        font-family: "Avenir Next";
        font-size: 21px;
        padding: 10px 0px;
        line-height: 44px;
        letter-spacing: .2px;
    }
    
    form {
    
        margin: auto;
        margin-top: 30px;
        width: 101%;
        font-family: "Avenir Next";
        
        
        
    }
    
    .question-div {
    
        background-color: white;
        margin: 30px 20px;
        padding: 30px 20px;
        border-radius: 8px;
        width: 89.3%;
    }
    
    .question-heading, input {
        font-size: 18px;
        margin: 5px 0px;
        letter-spacing: .2px;
        
    }
    
    .question-heading {
        
        line-height: 44px;
        
    }
    
    input {
        
        margin: 15px 0px;
        padding: 5px 10px;
    }
    
    .radio {
    
        font-size: 24px;
        margin: 15px 0px;
    }
    
     input[type="radio"] label {
    
        font-size: 30px;
    } 
    

    .describe {

        width: 75%;
        width: 80%;
        font-size: 21px;
    }

    span {
    
        color: red;
    }
    
    
    .submit-div {
    
        background-color: #F2F2F2;
        margin: 30px 20px;
        /* padding: 30px 20px; */
        /* border-radius: 8px; */ 
    }
    
    
    .submit {
    
        font-size: 20px;
        padding: 10px 30px;
        border-radius: 8px;
        text-align: left;
        color: white;
        background-color: black;
    }
   
}