* {
    box-sizing: border-box;
}

*:before,
*:after {
    box-sizing: border-box;
}

html,
body {
    font-family: Arial, Helvetica, sans-serif;
    height: 100%;
    position: relative;
    margin:0px;
}

header {
    text-align: center;
}

li {
    display: inline;
    padding: 5px;
}

a {
    text-decoration: none;
    color: blue;
}

a:hover { color : red;}

hr {
    width: 100%;
    height:4px;
    margin-left: auto;
    margin-right: auto;
    background-color: darkblue;
    border: 0 none;
}

input[type=text], input[type=password] {
    width: 100%;
    padding: 15px;
    margin: 5px 0 22px 0;
    display: inline-block;
    border: none;
    background: #f1f1f1;
}

input[type=text]:focus, input[type=password]:focus {
    background-color: #ddd;
    outline: none;
}

.top-container {
    background: #ccc;
    padding:5px;
    border-bottom:2px solid #0f0f0f;
    position: relative;
}
.bottom-container {
    background: #333;
    padding:5px;
    border-top:2px solid #0f0f0f;
    position:absolute;
    bottom:0;
}

.container-term {
    width:80%;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
}
footer {
    text-align: center;
    height: 50px;
    color: white;
    padding: 5px;
    margin-top: 10px;
    bottom: 0px;
}

.btn-submit {
    background-color: cornflowerblue;
    color: white;
    padding: 16px 20px;
    margin: 8px 0;
    border: none;
    cursor: pointer;
    width: 100%;
    opacity: 0.9;
}
.btn-submit:hover {
    opacity: 1;
}

.error-message {
    color: red;
}

.table-responsive table {
    min-width: 700px;
}

.user {
    font-size: 25px;
    margin-left: auto;
    position: absolute;
    right: 1rem;
}