header {
    background: black;
    width: 98%;
    position: fixed;
    z-index: 100%;
    padding: 3px;
}

header img {
    width: 70px;
    height:70px;
    float: right;
    padding: 15px;
    border-radius: 100%;

}

nav {
    float: center;
    position: relative;
    border-style: solid;
    border-color: white;
}

nav ul {
    list-style: none;
    overflow: hidden;
    
}

nav ul li {
    float: left;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 20px;

}

nav ul li a {
    display: block;
    padding: 20px;
    color: #fff;
    text-decoration: none;
}

nav ul li:hover {
    background: #df1212e5;
}

.uno {
    background-color: black;
    border-style:solid;
    width: 20%;
    font-family: Arial, Helvetica, sans-serif;
    padding: 2%;
    font-size: 20px;
    color: white;
    text-align: justify;
    float: left;
    margin: 10px;
    border-color: white;
}

.dos {
    background-color: black;
    border-style:solid;
    width: 67%;
    font-family: Arial, Helvetica, sans-serif;
    padding: 2%;
    font-size: 20px;
    color: white;
    text-align: justify;
    float: left;
    border-color: white;
    margin: 10px;
}
.tres {
    background-color: black;
    border-style:solid;
    width: 94%;
    font-family: Arial, Helvetica, sans-serif;
    padding: 2%;
    font-size: 20px;
    color: white;
    text-align: justify;
    float: left;
    border-color: white;
    margin: 10px;
} 

.tres table { 
    border-style: solid;
    border-color: white;
}


td { 
    font-family: Khmer UI;;
}
.dos li {
    font-family: Khmer UI;
}
.dos li p{
    font-family: Khmer UI;
}

div {
    border-style: none;
    width: auto;
    height: "200px";
    color: white;
}

body {
    background-color: rgb(205, 50, 50);
    height: 100%;
    color: white;
    background-repeat: no-repeat;
}
.form-register {
    width: 95%;
    background: black;
    padding: 30px;
    margin: auto;
    margin-top: 100px;
    border-radius: 4px;
    font-family: 'Arial';
    color: white;
    border-style: solid;
    border-color: white;

}

.form-register h4 {
    font-size: 22px;
    margin-bottom: 20px;
}

.controls {
    width: 20%;
    background: #24303c;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 30px;
    border: 1px solid white;
    font-family: 'Arial';
    font-size: 18px;
    color: white;
    border-spacing: 15px;
}

.form-register p {
    height: 40px;
    text-align: center;
    font-size: 18px;
    line-height: 40px;
}

.form-register a {
    color: white;
    text-decoration: none;
}

.form-register a:hover {
    color: white;
    text-decoration: underline;
}

.form-register .botons {
    width: 100%;
    background: #df1212e5;
    border: none;
    padding: 12px;
    color: white;
    margin: 5px 0;
    font-size: 16px;
}