*, html {
    margin:0;
    padding:0;  
}

body {
    background-color:  rgb(26, 38, 49);
    scrollbar-color: rgb(47, 67, 85) rgb(38, 59, 78);
}

::-webkit-scrollbar {
    background:rgb(26, 38, 49);
}

::-webkit-scrollbar-thumb {
    background: rgb(38, 59, 78);
}

.topnav {
    background-color: rgb(24, 35, 44);
    position: absolute;
    top: 0;
    box-shadow: 0px 1.8vw 3vw -25px #111;
    width: 99.9%;
    height: 5vw;
    /* overflow: hidden; */
    /* border-radius: 2vh; */
}

.topnav a {
    float: right;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 1.6vw 1.6vw;
    border-radius: 2vh;
    margin: 0;
    text-decoration: none;
    font-size: 1.6vw;
}

.topnav a:hover{
    color: #ccc;
}

.topnav a.active {
    background-color: rgb(255, 123, 0);
    color: white;
}

.topnav .icon {
    display: none;
}

.topnav_img{
    position: absolute;
    top: 1vw;
    left: 20vw;
    max-width: 3%;
    height: auto;
}

.topnav_heading{
    position: absolute;
    top: 0;
    left: 2vw;
    color: white;
    font-size: 4.1vw;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

.textbox{
    background-color:rgb(19, 30, 41);
    width: 85%;
    border-radius: 2vw;
    margin: auto;
    /* padding-left: 1vw; */
    padding-top: 0;
    margin-top: 2vw;
    height: 100%;
    box-shadow: 0px 0.7320644216691069vw 1px rgb(47, 67, 85), 0 0.7320644216691069vw 1.4641288433382138vw black;
    margin-bottom: 3vw;
    padding-bottom: 2vw;
}

h1 {
    font-size: 6vw;
    margin-top: 6vw;
    padding-top: 1vw;
    text-align: center;
    color: rgb(255, 123, 0);
    font-family: 'Courier New', Courier, monospace;
    text-align: center;
}

.p2{
    font-size: 2vw;
    padding-left: 3vh;
    padding-right: 3vh;
    color: rgb(0, 183, 255);
    margin-bottom: 1vw;
    margin-top:0;
    
}

.p3{
    display: none;
    font-size: 2vw;
    padding-left: 3vh;
    padding-right: 3vh;
    color: rgb(0, 183, 255);
    margin-bottom: 1vw;
    margin-top:0;
}

.p4{
    font-size: 2vw;
    padding-left: 3vh;
    padding-right: 3vh;
    color: rgb(0, 183, 255);
    margin-bottom: 1vw;
    margin-top:0;
}

.image{
    display: block;
    max-width: 50%;
    height: auto;
    margin: auto;
}

.btn {
    background-color: RoyalBlue;
    border: none;
    color: white;
    padding: 1.8072289156626506vh 4.518072289156627vh;
    cursor: pointer;
    font-size: 3.0120481927710845vh;
    max-width: 80%;
    border-radius: 7vw;
    margin-left: 18%;
    outline: none;
  }

.btn:hover {
    background-color: rgb(38, 78, 199);
}

button:focus {outline:0;}

@media screen and (max-width: 600px) {
    .topnav a:not(:first-child) {display: none;}
    .topnav a.icon {
      display: block;
      background-color: rgb(255, 123, 0); 
      margin-top: 0.7vw;
    }
    .topnav a{
        display: none;
    }

    .topnav{
        background-color: rgb(24, 35, 44);
        height: 7vw;
    }

    .topnav_heading{
        margin-top: 0.7vw;
    }
    .topnav_img{
        margin-top: 0.7vw;
    }

    .btn{
        display: none;
    }

    .p4{
        display: none;
    }

    .p3{
        display: block;
    }

  }

@media screen and (max-width: 600px) {
    .topnav.responsive {position: relative;}
    .topnav.responsive .icon {
      position: absolute;
      right: 0;
      top: 0;
    }
    .topnav.responsive a {
      float: none;
      display: block;
      text-align: center;
    }
  }