html,
body {
    margin: 0;
}
.content {
    font-family: Verdana, Arial, sans-serif;
    font-size: 12px; 
    height: 800px;
    width: 1220px;
}

.main_content {
    background: white;
    float: left;
    height: 90%;
    padding-left: 220px;
    width: 1000px;
}

.left_menu {
    background: #333333;
    color: #ffa500;
    float: left;
    height: 100%;
    padding-left: 5px;
    position: fixed;
    width: 200px;
}

.left_menu a {
    color: #FFFFFF;
    display: block;
    margin-bottom: 10px;
}

.left_menu a:hover {
    color: #ffa500;
}

h1 {
    margin-top: 3px;
}

h2 {
    margin-top: 5px;
}

form {
    margin-bottom: 2em;
}

label {
    display: block;
    margin-bottom: 1em;
}

label input,
label select {
    display: block;
}

table {
    border-collapse: collapse;
    border: 1px solid #333333;
}

th,
td {
    border: 1px solid #333333;
    padding: 5px;
}