/* header */
header {
    background: #3359DF;
    height: 60px;
    padding-bottom: 30px;
}

header .header-brand {
    margin: 30px 0;
    text-align: left;
    line-height: 40px;
    padding: 0 20px 0 40px;
    border-right: 3px solid #111;
    float: left;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 24px;
    font-weight: 900;
    color: rgb(253, 252, 252); 
    text-transform: uppercase;
    display: block;

}

header nav ul {
    margin: 20px 100px 40px 20px ;
    float: right;
}

header nav ul li {
    display: inline-block;
    list-style: none;
    padding: 0 16px;

}

header a {
    font-size: 20px;
    text-decoration: none;
    line-height: 60px;
    color: rgb(253, 252, 252);
 }

 header a[class = "active"]{
     background: rgb(223, 221, 221);
     border-bottom: 5px solid black;
     padding: 10px;
     color: #3359DF;
 }

/* main content */

main {
    margin-top: 10px;
}

main h3 {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 30px;
    float: left;
    margin-left: 50px;
    padding-top: 150px;
}

main .left-bar .admin{
    background: white;
    margin-bottom: 20px;
}

main .left-bar .admin p{
    font-family: 'Courier New', Courier, monospace;
    color: rgb(5, 155, 130);
    font-size: 20px;
    padding-bottom: 20px;
}
main .left-bar {
    float: left;
    width: 18%;
    height: 500px;
    background-color: rgba(46, 40, 40, 0.87);
    border-radius: 10px;
}
main .left-bar img{
    width: 80px;
    margin-left: 60px;
}

table, th, td {
    border: 1px solid black;
    border-collapse: collapse;
}

th, td {
    padding: 15px;
}

th {
    text-align: left;
}

table {
    border-spacing: 5px;
    margin-bottom: 20px;
}
main nav ul {
    float: left;
}

main nav ul li {
    padding: 20px 0;
    display: block;
    list-style: none;
    font-family: 'Courier New', Courier, monospace;
}

main nav ul li a {
    font-size: 20px;
    text-decoration: none;
    color: white;
}

main nav ul li[class="active"] {
    border-left: 5px solid black;
    background-color: gray;
    margin-left: -20px;
    color: #3359DF;
    font-weight: bold;
    padding: 10px;
}

main #user_content form{
    border: none;
}

main #user_content p{
    display: none;
    color: red;
    font-size: 20px;
    background: rgb(194, 138, 138);
    text-align: center;
    padding: 10px;
}
main .content {
    padding: 10px;
    float: right;
    width: 80%;
}

main .messageContainer {
    padding: 10px;
    border-top: 1px solid rgb(9, 86, 109);
    border-bottom: 1px solid rgb(9, 86, 109);
    border-radius: 10px;
    margin: 0 20px 10px;
}
main .sender {
    line-height: 30px;
    font-weight: bolder;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    color: rgb(9, 86, 109);
}

main .sender p{
    width: 100px;
    text-align: center;
    margin-left: 400px;
    margin-top: -35px;
    padding: 0 10px;
    color: red;
    background: rgb(173, 122, 122);
    font-weight: bolder;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    color: rgb(9, 86, 109);
}

main .message {
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    font-size: 20px;
    line-height: 25px;
}

main button {
    border-radius: 5px;
    font-size: 17px;
    background: red;
    border: none;
    color: whitesmoke;
    padding: 10px;
}

main .sender span {
    float: left;
    margin-right: 100px;
}

main form {
    padding: 30px;
    margin: 0 auto;
    border: 2px solid rgb(190, 187, 187);
    border-radius: 20px;
}

main form label {
    line-height: 40px;
    font-size: 20px;
}

main form input {
    margin-bottom: 20px;
    font-size: 15px;
    height: 30px;
    width: 30%;
    padding: 7px 0;
    margin-right: 20px;
}

main form select {
    margin-bottom: 20px;
    font-size: 15px;
    width: 30%;
    padding: 7px 0;
    margin-right: 200px;
}

main form textarea {
    font-size: 20px;
    height: 100px;
    width: 100%;
    overflow: visible;
}

main form button[type = "submit"] {
    border: none;
    color: whitesmoke;
    border-radius: 7px;
    margin-top: 10px;
    width: 20%;
    background-color: rgb(18, 40, 235);
    font-size: 20px;
    font-style: italic;
}

main form .save{
    margin-top: 10px;
    width: 20%;
    background-color: green;
    float: right;
}

main #group_content form #nameInput{
    width: 180px;
}
#label{
    margin: 50px;
    font-size: 30px;
}
/* footer */

footer {
    position: fixed;
    bottom: 0;
    width: calc(100% - 80px);
    margin-top: 20px;
    background-color: #3359DF;
    padding: 0 40px;
    text-align: center;
}

footer p {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 20px;
}

@media only screen and (max-width: 1000px) {
    main .content {
        width: 100%;
        margin-bottom: 80px;
    }
    header nav ul{
        margin-top: -80px;
        margin-right: 50px;
    }

    main .left-bar {
        width: 100%;
        height: fit-content;
    }
    main nav ul {
        margin-left: 60px;
    }
    main nav ul li {
        display: inline-block;
    }
    main table {
        margin-left: 10px;
    }
    main nav ul li[class="active"] {
        margin-left: 20px;
        border-left: none;
        border-top: 5px solid black;
    }

    main form .save,main form button[type = "submit"]{
        width: 40%;
    }

    main .sender span {
        float: left;
        margin-right: 100px;
    }
    
    main form {
        margin-left: 30px;
    }
    
    main form label {
        line-height: 40px;
        font-size: 20px;
    }
    
    main form input {
        width: 100%;
    }
    
    main form select {
        width: 100%;
    }

    main .left-bar img{
        float: right;
        width: 90px;
        margin-left: 60px;
    }
    main .left-bar .admin{
        margin-top: -24px;
        height:  100px;
    }

    main .left-bar .admin p{
        font-family: 'Courier New', Courier, monospace;
        color: rgb(5, 155, 130);
        font-size: 23px;
    }

    main #group_content form{
        border: none;
    }

    main form input {
        width: 100%;
        padding: 7px 0;
        margin-right: 20px;
    }

}