* {
margin: 0;
padding: 0;
}
#nav-icon0 {
width: 30px;
height: 35px;
position: relative;
margin: 50px auto;
-webkit-transform: rotate(0deg);
-moz-transform: rotate(0deg);
-o-transform: rotate(0deg);
transform: rotate(0deg);
-webkit-transition: .5s ease-in-out;
-moz-transition: .5s ease-in-out;
-o-transition: .5s ease-in-out;
transition: .5s ease-in-out;
cursor: pointer;
}
#nav-icon0 {
}
#nav-icon0 span {
display: block;
position: absolute;
height: 2px;
width: 50%;
background: #000;
opacity: 1;