.body {
    margin: 0;
}
.sidebar {
    margin: 0;
    padding: 0;
    width: 200px;
    background-color: #f1f1f1;
    position: fixed;
    height: 100%;
    overflow: auto;
}

.sidebar a {
    display: block;
    color: black;
    padding: 16px;
    text-decoration: none;
}

.sidebar a.active {
    background-color: #04AA6D;
    color: white;
}

.sidebar a:hover:not(.active) {
    background-color: #555;
    color: white;
}

div.content {
    margin-left: 200px;
    padding: 1px 16px;
}

form {
    display: inline-block;
}

.auth_form {
    margin: auto;
    min-width: 350;
    width: 30%;
}

.auth_form form {
    padding-left: 32px;
}

.auth_form td {
    padding: 5px;
}

.formerrors {
    margin-top: 10px;
    margin-bottom: 10px;
    text-align: left;
    color: red;
}

@media screen and (max-width: 700px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    .sidebar a {float: left;}
    div.content {margin-left: 0;}
}

@media screen and (max-width: 400px) {
  .sidebar a {
    text-align: center;
    float: none;
  }
}