body,html{
margin: 0;
padding: 0;
bottom: 0;
}
/* The Modal (background) */
.modal {
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background: #000; /* fallback */
    background-size: cover;
}
/* Modal Content/Box */
.modal-content {
    background-color: #fefefe;
    margin: 8% auto; /* 5% from the top and centered */
    border-radius: 15px;
    padding: 20px;
    border: 1px solid #888;
    width: 600px; /* Could be more or less, depending on screen size */
    box-shadow: 1px 1px 1px 1px rgba(0,0,0,0.4);
    font-family: tahoma,arial;
    font-size: 15px;
}
.modal-content a {
    text-decoration: none;
    display: inline-block;
    margin-left: 220px;
    background: skyblue;
    padding: 15px;
    font-size: 20px;
    width: 150px;
    border-radius: 40px;
    box-shadow: 0px 2px 2px 0px darkblue;
    color: #fff;
    text-align: center;
}

/* footer */
#footer h3{
text-align: center;
text-transform: uppercase;
font-family: tahoma,arial;
font-size: 30px;
position: relative;
top: 70px;
color: #fff;
}

/* mobile css rule */
@media screen and (max-width:800px) {
    
#myModal{
overflow: none;
}

.modal-content{
width: 90%;
border-radius: 0px;
background: inherit;
overflow: auto;
}
.modal-content h1{
    color: gray;
    font-size: 24px;
}
.modal-content a {
    width: 20%;
    margin-left: 40%;
}
 
}


@media screen and (max-width:500px) {

    #footer h3 {
        font-size: 15px;
    }

}