/* The button used to open the sidebar */
#openbtn {
    font-size: 20px;
    cursor: pointer;
    background-color: #f1f1f1;
    padding: 10px 15px;
    border: none;
}

#openbtn:hover {
    background-color: #eeeeee;
}

/* Style page content - use this if you want to push the page content to the right when you open the side navigation */
#main {
    transition: margin-right .5s; /* If you want a transition effect */
}

.bar1, .bar2, .bar3 {
    width: 25px;
    height: 2px;
    background: #b3b3b3;
    margin-bottom: 8px;
}

#openbtn {
    list-style: none;
    cursor: pointer;
    padding: 15px 15px 10px;
}
#openbtn .bar1 {
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}

#openbtn .bar2 {
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}

#openbtn .bar3 {
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}


#openbtn.open {
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}
#openbtn.open .bar1 {
    -moz-transform: rotate(45deg) translate(8px, 7px);
    -o-transform: rotate(45deg) translate(8px, 7px);
    -ms-transform: rotate(45deg) translate(8px, 7px);
    -webkit-transform: rotate(45deg) translate(8px, 7px);
    transform: rotate(45deg) translate(8px, 7px);
}

#openbtn.open .bar2 {
    opacity: 0;
}

#openbtn.open .bar3 {
    -moz-transform: rotate(-45deg) translate(7px, -6px);
    -o-transform: rotate(-45deg) translate(7px, -6px);
    -ms-transform: rotate(-45deg) translate(7px, -6px);
    -webkit-transform: rotate(-45deg) translate(7px, -6px);
    transform: rotate(-45deg) translate(7px, -6px);
}