body{
margin: 0;
  font-family: Arial, sans-serif;
  background-color: black;
  color: white;
}
#link3{
    color:magenta;
}
#subheading1{
    color:magenta;
    text-align: center;
}
nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 30px;
  padding: 0;
  margin: 0;
}
nav ul li a {
  text-decoration: none;
  color: cyan;
  font-weight: bold;
  transition: color 0.3s;
}

nav ul li a:hover {
  color: white;
}
header {
  background: #111;
  padding: 10px 0;
  border-bottom: 2px solid cyan;
}

#pic{
    width:6vw;
    border-radius:50%;
}
#c5{
    color:cyan;
    font-size:9vw;
    margin-top:0;
    text-align: center;
}
#main{
    display:flex;
    gap:0;
    margin-top: 0;
    margin-left:30%;
    margin-right:30%;
}
#c6,#c7,#c8{
    color:white;
    font-size:10vw;
}
#cont{
    display: flex;
}
#txt1,#txt2{
    color:red;
    margin-top:-50%;
    margin-left:30%;
}
#txt3{
    color:red;
    margin-top:-67%;
    margin-left:33.5%;
}
#cont1{
    background-color:slategrey;
    display: flex;
    gap:50px;
    justify-content: center;
    justify-self: center;
}
#btn,#btn3{
width:50px;
height:50px;
border:2px solid white;
background-color: black;
border-radius:50%;
}
.span1{
    color:white;
    font-size:25px;
}
#span3{
    position: relative;
     font-size:20px;
    font-weight:bolder;
    color:white;
bottom:3px;
}
.span2{
   font-size:12px;
    font-weight:bolder;
    color:white; 
}

.btn3Off{
    opacity:0.3
}
main {
  padding: 20px;
  max-width: 800px;
  margin: auto;
  line-height: 1.6;
}

main h1, main h2 {
  color: cyan;
}

main a {
  color: cyan;
  text-decoration: underline;
}

main a:hover {
  color: white;
}

footer {
  margin-top: 40px;
  text-align: center;
  background: #111;
  padding: 15px 0;
  border-top: 2px solid cyan;
  font-size: 14px;
  color: #ccc;
}

@media  (max-width:500px){
#btn,#btn3{
width:25px;
height:25px;
border:2px solid white;
background-color: black;
border-radius:50%;
}
.span1{
    font-size:10px;
    font-weight:bolder;
    color:white;
}
.span2{
   font-size:5px;
    font-weight:bolder;
    color:white; 
}
#span3{
     font-size:10px;
    font-weight:bolder;
    color:white;
}

}
@media(max-width:1000px){
    #txt1,#txt2{
    color:red;
    margin-top:-50%;
    margin-left:30%;
    font-size:20px; 
}
#txt3{
    color:red;
    margin-top:-67%;
    margin-left:33.5%;
    font-size:20px;
}
}
@media (max-width:800px) {
    #txt1,#txt2{
    color:red;
    margin-top:-50%;
    margin-left:30%;
    font-size:15px;
}
#txt3{
    color:red;
    margin-top:-67%;
    margin-left:33.5%;
    font-size:15px;
}
}
@media (max-width:600px) {
    #txt1,#txt2{
    color:red;
    margin-top:-50%;
    margin-left:30%;
    font-size:10px;
}
#txt3{
    color:red;
    margin-top:-67%;
    margin-left:33.5%;
    font-size:10px;
}
}
@media(max-width:335px) {
    #txt1,#txt2{
    color:red;
    margin-top:-50%;
    margin-left:30%;
    font-size:5px;
}
#txt3{
    color:red;
    margin-top:-67%;
    margin-left:33.5%;
    font-size:5px;
}
}
#span4{
    color:lime;
}