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 {
padding:0px;
margin:0px;
}
.main-menu li {
list-style: none;
width: 200px;
}
.main-menu li a {
border-bottom: 2px solid #2c3e50;
text-decoration:none;
display: block;
}
.main-menu>li {
position:relative;
}
.main-menu .sub-menu {
position:absolute;
z-index:10;
left:140px;
top:0px;
}
.main-menu .sub-menu a {
border-bottom: 2px solid #2ecc71;
background-color:#1abc9c;
}
.main-menu li>a {
padding: 10px 10px 10px 15px;
box-sizing: border-box;
}
.main-menu>.opened>a {
background-color:#1abc9c;
}