p.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 0px;
    background-color: palegreen;
    font: bold 22px arial;
    color:darkblue;
    width: 100%;
    height: 135px;
    border-top: 1px solid blue;
    border-bottom: 1px solid blue;
}
.navbar img {
    height: auto;
    width: 130px;
}
colspan.nav {
    background-color: palegreen;
    width: 100%;
    height: auto;
    padding-top: 30px;
    padding-bottom: 30px;
    padding-left: 5px;
    padding-right: 100px;
    
}
h1, h2, h3, h4, h5, h6, h7, h8, h9, h10, h11, h12 
{
    padding-top:15px;
    color:blueviolet;
    font:20px arial;
}
body {
    padding: 50px;
    font: 16px "Lucida Grande", Helvetica, Arial, sans-serif;
    width: 900px;
    border-top: 1px solid blue;
    border-bottom: 1px solid blue;
    border-left:1px solid blue;
    border-right:1px solid blue;
}

a {
    color: #00B7FF;
    
}
p.box {
    font: bold;
    color: darkblue;
}
p.mess, p.target {
    font: bold;
    color: red;
}
ul {
    padding-top: 15px;
    padding-left: 15px;
    width: 100%;
    background-color: beige;
    color: blueviolet;
    height: 370px;
    border-block: 1px solid blue;
    border-left: 1px solid blue;
    border-right: 1px solid blue;
    box-shadow: 5px 5px 15px 5px #000000;
}

form {
    width: 100%;
    color: blueviolet;
    background-color: beige;
    border-block: 2px solid blue;
    border-left: 2px solid blue;
    border-right: 2px solid blue;
    padding-left: 15px;
    padding-top: 15px;
    padding-bottom: 15px;
    box-shadow: 5px 5px 15px 5px #000000;
}
footer {
    background-color: darkblue;
    color:aqua;
    width: 100%;
    border-top: 3px solid green;
    padding-left: 15px;
    padding-top: 15px;
    padding-bottom: 15px;
}
colspan {
    background-color: darkblue;
    color: aqua;
    width: 100%;
    padding-left: 2px;
    padding-right: 100px;
}