<!DOCTYPE html>
<html lang="en"> <head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
div {
position: relative;
left: 50px;
top: 50px;
margin: 10px;
width: 500px;
height: 100px;
border: 1px solid #E3581D;
} .border {
position: absolute;
padding: 5px;
border-style: solid;
border-color: #E3581D;
} .row1 {
border-width: 5px 0 0 5px;
top: -5px;
left: -5px;
border-radius: 4px 0 0 0;
} .row2 {
border-width: 5px 5px 0 0;
top: -5px;
right: -5px;
} .col1 {
border-width: 0 0 5px 5px;
bottom: -5px;
left: -5px;
} .col2 {
border-width: 0 5px 5px 0;
bottom: -5px;
right: -5px;
}
</style>
</head> <body>
<div>
<span class="border row1"></span>
<span class="border row2"></span>
<span class="border col1"></span>
<span class="border col2"></span>
</div>
</body> </html>