html, body {
    height: 100%;
    width: 100%; 
    min-width: 320px;
}

#main-container {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    min-width: 320px;
    min-height: 780px;
}

#background-img {
    height: 969px;     
    width: 3100px; 
    position: relative; 
    left: -1000px
}

#login-panel {
    width: 100%;
    height: 100%;
    padding: 100px;
    color: #4B4E53;
}

#main-logo {
    width: 100%;
    max-width: 350px;
    display: block;
    margin-bottom: 30px;
}





#about {  
    width: 100%;
    max-width: 520px;
    min-width: 260px;
    align-items: center;
    font-size: 20px;
    margin: 30px 0px;
    background-color: rgba(255,255,255,0.9);
    padding: 20px 15px;
    border-radius: 5px;
}
 
.bold-heading {
    color: #004D9D;
    font-weight: bold;
    font-size: 60px;
}


form {
    width: 100%;
    max-width: 520px;
    color: #898C90;
}

.login-field {
    width: 100%;
    padding: 10px;
    border: solid 1px #BABBBE;
    border-radius: 5px;
}

    .login-field:focus {
        outline-color: #92C7D5;
    }

.login-button {
    width: 100%;
    background-color: #004D9D;
    color: white;
    padding: 10px;
    margin: 10px 0px 20px 0px;
    border: none;
    border-radius: 5px;
}

    .login-button:hover {
        background-color: #2171C4;
    }

.login-button:focus {
    outline-color: #90BAE5;
}

/*Responsive design*/
@media only screen and (max-width: 992px) {
    
}

@media only screen and (max-width: 768px) {
    #main-container {
        min-height: none;
    }

    #background-img {
        left: -1700px
    }

    form {
        width: 100%;
        max-width: none;
    } 
    #login-panel {
        padding: 20px;
        align-items: center;
    }
    #about {
        max-width: none;
    }
}

@media only screen and (max-width: 490px) {
    #background-img {
        left: -1900px
    }

    .bold-heading {
        font-size: 50px;
    }

    h3 {
        font-size: 25px;
    }
}

@media only screen and (max-width: 420px) {
    .bold-heading {
        font-size: 40px;
    }

    h3 {
        font-size: 20px;
    }
}

@media only screen and (max-width: 350px) {
    .bold-heading {
        font-size: 35px;
    }

    h3 {
        font-size: 18px;
    }
}