*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
/* body{
    background-color: aliceblue;
} */

.navbar{
    z-index: 2;
    background-color: red;
    background-color: yellow;
    color:white;
    width: 100%;
    margin-top: 0vh;
    top : 0px;
    height: 7vh;
    display: flex;
    /* overflow: scroll; */
    /* scrollbar-width: 0px; */
    /* scroll-behavior: smooth; */
    /* margin-bottom: 7vh; */
    /* border-bottom: 2px solid grey; */
    /* box-shadow: 2px grey; */
    justify-content: space-between;
    align-items: center;
    position: fixed;
    
    /* box-shadow: solid blue; */
    /* border-bottom: 2px solid grey; */
    box-shadow: 0px 0px 10px 0px black;
    /* box-shadow-bottom:  */
    /* justify-items: center; */
    
}
/* Hide scrollbar for Chrome, Safari and Opera */
.navbar::-webkit-scrollbar {
    display: none;
  }
  
  /* Hide scrollbar for IE, Edge and Firefox */
  .navbar {
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
  }
.logo{
    margin-left: 20px;
    /* color: yellow; */
    /* text-decoration: overline black; */
    /* text */
    color: white;
    display: flex;
    /* justify-content: center; */
    /* align-items: center; */
    /* text-decoration: 2px solid black; */
    /* text-decoration-style: solid;
    text-decoration-line: overline;
    text-decoration-thickness: 20px;
    text-decoration-color: black; */
    text-shadow: 0px 0px 4px black;
    font-size: 5vh;
    /* height: 100%; */
    /* color: red */
}
/* .sample{
    display: flex;
    justify-content: space-between;
    height: 50px;
} */


.b2{
    /* height: 50px; */
    height: 90%;
    gap: 20px;
    display: flex;
}

.nav-icons{
    /* margin-bottom: 10px; */
    /* height: 100%; */
    padding: 1px;
    border-bottom: 2px solid white;
}

.lower-part p{
    cursor: pointer;
}
.nav-icons:hover{
    transform: scale(1.1);
    transition: 0.2s;
    cursor: pointer;
}

.index-buttons,.mright-buttons{
    margin-right: 20px;
    display: flex;
    gap: 10px;
    align-items: center;
}
.login-btn{
    background-color: orangered;
    color: white;
    /* border: 4px solid white; */
    border: none;
    border-radius: 20px;
    padding: 4.5px;
    padding-right: 15px;
    padding-left: 15px;
    box-shadow: 0px 0px 2px 2px white;
    
    
    /* text-shadow: 0px 0px 4px black; */
}
.login-btn:hover{
    transform: scale(1.1);
    cursor: pointer;
    /* text-shadow: 0px 0px 4px black; */
    transition: 0.2s;
}
.signup-btn:hover{
    
    transform: scale(1.1);
    cursor: pointer;
    transition: 0.3s;
    /* text-shadow: 0px 0px 4px black; */
}
.signup-btn{
    background-color: green;
    color: white;
    /* font; */
    /* border: 4px solid white; */
    border: none;
    border-radius: 20px;
    padding: 4.5px;
    padding-right: 10px;
    padding-left: 10px;   
    box-shadow: 0px 0px 2px 2px white;
    /* text-shadow: 0px 0px 4px black; */
}
.mainpic{
    margin-top: 7vh;    
    /* margin-top:100px; */
    width:100%;
    height: 40vh;
    display: flex;
    justify-content: space-around;
    gap: 10px;
    align-items: center;
    text-shadow: -1px -1px 4px black;
    background-image: url('..//images/black-and-yellow-background-1920-x-1080-laqgdseau5iji1gq.jpg');
    border-bottom: 2px solid black;
    /* background-color: yellow; */
    background-size: cover;
    /* border-image-width: 100%; */
}
.ypic{
    width:100%;
    height: auto;
}


body{
    margin-top: 7vh;
}

.grid-ico{
    /* display: none; */
    visibility: hidden;
    display: none;
    cursor: pointer;
}

@media screen and (max-width: 360px){
    .index-buttons{
        visibility: hidden;
        display: none;
    }
    .grid-ico{
        display: flex;
        visibility: visible;
    }    
    .b2,.b3{
        display: none;
    }
}

::-webkit-scrollbar{
    width: 15px;
}

::-webkit-scrollbar-track{
    /* background: hsl(59, 100%, 50%); */
    background: yellow;
    /* background: hsl(59, 100%, 50%); */
    border-radius: 100vw;
    margin-block: 0.5em;
}

::-webkit-scrollbar-thumb{
    background: hsl(46, 100%, 50%);
    border-radius: 100vw;
}

::-webkit-scrollbar-thumb:hover{
    background: hsl(14, 100%, 50%);
    
}

.index-box,.nav-box{
    /* opacity: 0.8; */
    position: fixed;
    z-index: 2;
    top: 7.1vh;
    justify-content: center;
    align-items: center;
    gap: 10px;
    right: 0;
    width: 100px;
    background-color: yellow;
    font-family:system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    display: flex;
    flex-direction: column;
    height: 100px;
    /* border: 2px solid white; */
    box-shadow: 0px 0px 4px 1px;
    border-radius: 5px;
    display: none;
    /* visibility: hidden; */
    /* visibility: display; */
}

.login-tab,.register-tab{
    cursor: pointer;
    /* opacity: ; */
    /* color: white; */
    font-weight: bold;
    border: 4px solid white;
    border-radius: 5px;
    /* text-shadow: 0px 0px 10px black ; */
    /* box-shadow: 0px 0px 4px px white; */
    /* border: px solid black; */
    padding: 4px;
    width: 90%;
    text-align: center;
}

.home-t,.study-material-t,.compete-t{
    cursor: pointer;
    /* color: white; */
    font-weight: bold;
    border: 4px solid white;
    border-radius: 5px;
    /* text-shadow: 0px 0px 10px black ; */
    /* box-shadow: 0px 0px 4px px white; */
    /* border: px solid black; */
    padding: 2px;
    width: 90%;
    text-align: center;
       
}

  /* Footer */
  .footer {
    background: #ffc107;
    color: #333;
    text-align: center;
    padding: 20px;
  }
  .footer-links{
      margin-top: 4px;
  }
  
  .footer-links a {
    color: #333;
    margin: 0 10px;
    text-decoration: none;
  }
  
  .footer-links a:hover {
    text-decoration: underline;
  }