.os-sidenav-btn {
    position: absolute;
    width: 30px;
    height: 60px;
    top: 3px;
    right: 20px;
    -webkit-transition-duration: 0.5s;
    transition-duration: 0.5s;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

.os-sidenav-btn .hambar {
    -webkit-transition-duration: 0.5s;
    transition-duration: 0.5s;
    position: absolute;
    height: 4px;
    width: 30px;
    top: 30px;
    background-color: #ecebec;
}

.os-sidenav-btn .hambar:before {
    -webkit-transition-duration: 0.5s;
    transition-duration: 0.5s;
    position: absolute;
    width: 30px;
    height: 4px;
    background-color: #ecebec;
    content: "";
    top: -10px;
}

.os-sidenav-btn .hambar:after {
    -webkit-transition-duration: 0.5s;
    transition-duration: 0.5s;
    position: absolute;
    width: 30px;
    height: 4px;
    background-color: #ecebec;
    content: "";
    top: 10px;
}

.os-sidenav-btn.os-pointer-image .hambar {
    -webkit-transition: 0.5s;
    transition: 0.5s;
}

.os-sidenav-btn.os-pointer-image .hambar:before {
    -webkit-transform: rotateZ(-45deg) scaleX(0.75) translate(-10px, -3px);
    transform: rotateZ(-45deg) scaleX(0.75) translate(-10px, -3px);
}

.os-sidenav-btn.os-pointer-image .hambar:after {
    -webkit-transform: rotateZ(45deg) scaleX(0.75) translate(-10px, 3px);
    transform: rotateZ(45deg) scaleX(0.75) translate(-10px, 3px);
}

.os-sidenav-btn:hover {
    cursor: pointer;
}