body{
    margin: 0;
    padding: 0;
    font-size: 20px;
}

header img{
      margin-left: 40px;
      height: 55px;
}
header p{
    margin-top: -40px;
    text-align: right;
    margin-right: 15px;
}
header{
    width: 100%;
    background-color: rgb(206, 206, 206);
    padding: 10px 0;
}
nav{
    width:100%;
    background-color: #B6B6B6;
    font-size: 20px;
}
nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

nav li {
    float: left;
}

nav a:link, nav a:visited {
    display: block;
    width: 140px;
    font-weight: bold;
    color: #000000;
    background-color: #B6B6B6;
    text-align: center;
    padding: 4px;
    text-decoration: none;
    text-transform: uppercase;
}

nav a:hover, nav a:active {
    background-color: #727272;
}
td, th {
    padding: 10px;
    border: 1px solid #bdbdbd;
}
input{
  width: 50px;
}