*{
    margin: 0;
    padding: 0;
    
}
.navbar-1{
    width: 100%;
    position: fixed;
    display: flex;
}

.nav-list{
    display: flex;
}

.logo{
    display: inline;
}

#border {
    border-top-left-radius: 22px;
    border-top-right-radius: 20px;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
}
.btn-sign-in{
    border: 4px solid;
    padding: 5px;
    padding-left: 13px;
    font-size: medium;
    font-family: serif;
    border-radius: 30%;
    background-color: #f3f3f600;
    border-color: #3c509c;
    padding-right: 13px;
}
.btn-sign-in:hover{
    background-color: #3c509c;
    color : white;
    cursor:pointer;
}

footer {
    background-color: #b4d9fc;
    padding: 20px;
    text-align: center;
    font: xx-large math;
    color: #4a4a4a;
}

@media (max-width:500px){
    .navbar-1{
        width: 100%;
        /* position: fixed; */
        display: flex;
    }

    #nav-1{
        content-visibility: hidden;
        z-index: -10;
    }
        
    #nav-2 {
        display: flex;
        background-color: rgba(177, 216, 253, 0.963);
        justify-content: space-around;
        z-index: 10;
        padding: 20px;
        flex-direction: column;
        }

        #nav-list-2{
                display: flex;
                flex-direction: column;
                padding-top: 20px;

        }

        #nav-list-2 li{
            margin-top: 10px;
            font-size: large;
            list-style: none;
            margin-right: 20px;
            text-decoration: none;
            font-family: serif;
            text-align: justify;
            margin-left: 22px;
        
        
        }
        
        #nav-list-2 li a{
            text-decoration: none;  
            color: rgb(38, 50, 159);
            
        }
        #nav-list-2 img{
            width: 51%;
        }

        #logo-2{
            position: relative;
            margin: auto;
        }
        
        #logo-2 img{
            width: 51%;
        }

        .navbar .logo img{
            width:30%;
            margin-left:10%;
         }
       
         .about2{
            font-size: medium;
         }
    }

@media (min-width:500px) and (max-width:1200px) {
    .navbar-1{
        width: 100%;
        /* position: fixed; */
        display: flex;
    }

    #nav-1{
        z-index: -10;
        content-visibility: hidden;
    }

    #nav-2{
            
        display: flex;
    background-color: rgba(177, 216, 253, 0.963);
    justify-content: space-around;
    z-index: 10;
    padding: 20px;
    flex-direction: column;
    }

    #nav-list-2{
        display: flex;
        flex-direction: column;
        padding-top: 20px;

}

    #nav-list-2 li{
        margin-top: 10px;
        font-size: large;
        list-style: none;
        margin-right: 20px;
        text-decoration: none;
        font-family: serif;
        text-align: justify;
        margin-left: 22px;


    }

        #nav-list-2 li a{
            text-decoration: none;  
            color: rgb(38, 50, 159);
            
        }
        #nav-list-2 img{
            width: 50%;
             
         }
         .navbar .logo img{
            width:30%;
            margin-left:10%;
         }

         .about2{
            font-size: medium;
         }
    
}

@media (min-width:1200px) {
    .navbar-1{
        width: 100%;
        position: fixed;
        display: flex;
    }

    
 
        #nav-1{
            display: flex;
            padding: 20px;
            background-color: rgba(177, 216, 253, 0.963);
            justify-content: right;
            z-index: 10;
            
        }

        #nav-2{
    
            z-index: -10;
           content-visibility: hidden;
        }

        #nav-list-1{
            padding-right: 20px;
            align-items: center;
            justify-content: space-evenly;
        }
        
        #nav-list-1 li{
            font-size: medium;
            list-style: none;
            margin-right: 20px;
            text-decoration: none;
            font-family: serif;
            text-align: justify;
            margin-left: 20px;
        
        
        }
        
        
        #nav-list-1 li a{
            text-decoration: none;  
            color: rgb(38, 50, 159);
            
        }
        #nav-list-1 img{
           width: 50%;
            
        }

        #logo-1{
            position: absolute;
            display: ruby;
            margin-left: -15%;
        }
        
        
        #logo-1 img{
            width: 50%;
            margin-left: initial;
            margin-top: -10%;
        }
   }

   .about2{
    width: 100%;
    background-color: #b4d9fc;
    padding: 30px;
    text-align: center;
    font: large math;
    color:black;
    
}

