* {
    padding: 0;
    margin: 0;
    border: none;
    outline: none;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.links {
    margin: 10px;
    position: relative;
    float: right;
}
ul {
    width: 100%;
    position: relative;
    float: left;
    list-style: none;
}
ul li {
    width: 100%;
    margin: 5px 0;
    position: relative;
    float: left;
    left: 0;
    -webkit-transition: left ease 0.5s;
    -moz-transition: left ease 0.5s;
    transition: left ease 0.5s;
    border: 1px solid #ccc;
}
ul li:hover {
    left: -10px;
}
ul li a {
    padding: 10px;
    left: -10px;
    text-decoration: none;
    cursor: pointer;
    display: block;
}