html,
body {
margin: 0;
padding: 0;
}
body {
width: 380px;
min-height: 280px;
padding: 10px;
font-family: “Arial”, sans-serif;
font-size: 14px;
line-height: 1.4;
background: #ecf0f1;
}
.main-menu {
margin:0;
padding:0;
width:200px;
}
li {
list-style:none;
background-color:#2980b9;
padding: 10px 15px;
border-bottom: 2px solid #2c3e50;
}
a {
color:white;
text-decoration:none;
}
.sub-menu {
position:absolute;
top: 52px;
left:150px;
}
.sub-menu li {
border-bottom: 2px solid #2ecc71;
background-color:#1abc9c;
width:170px;
}
.opened {
background-color:#1abc9c;
}