body {
    background-image: url("../assets/Blue Modern Futuristic Desktop Wallpaper (4).png");
    background-repeat: no-repeat;
    background-size: cover;
}

.nav_bar {
    height: 50px;
    background-color: rgba(51, 193, 193, 0.149); 
    color: aliceblue;
    display: flex;
    align-items: center;
    justify-content: space-between; 
    padding: 0 20px; 
    column-gap: 20px;
}

header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
}

ul {
    color: aliceblue;
    list-style-type: none;
    display: flex;
    justify-content: center;
    align-items: center;
    column-gap: 50px;
    flex-grow: 1; 
    margin-right: 200px; 
}

.logo img {
    margin-right: auto;
    height: 50px;
    width: 50px;
    border-radius: 50%;
   
}

.login-btn {
    margin-left: auto; }

.vis{
    border: 1px solid rgba(51, 193, 193);
    display: flex;
    justify-content: center;
    align-items: center;
   text-align: center;
   font-size: 80px;
   color: aliceblue;
    height: 200px;
    width: 800px;
   background-color: rgba(51, 193, 193, 0.063);
    margin: auto;
    margin-top: 100px;
}

.optn_list{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    margin-top: 100px;
}

.optn_list div{
    height: 200px;
    width: 300px;
    color: white;
    border: 0.1px solid rgba(51, 193, 193) ;
    border-bottom: 3.5px solid rgba(51, 193, 193) ;
    border-right:3.5px solid rgba(51, 193, 193) ;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-size: 30px;
    font-family:arial;
    border-radius: 20%;
   
}

 #click {
    color: white;
    background-color: rgba(51, 193, 193, 0.149); 
    border: 0.1px solid rgba(51, 193, 193) ;
    font-size: 18px; 
    padding: 15px 30px;
    position: absolute; 
    bottom: 20px; 
    left: 50%;
    transform: translateX(-50%);
}