position sidebar laterale a scomparsa e doppia a dx

/* SIDEBAR */
.nb_sidebar {position: absolute; display: block; width: 380px; top: 380px; z-index: 9; text-align: left; background-color: rgba(0, 0, 0, 0.60); border-radius: 5px; border-bottom: 1px solid rgba(255, 255, 255, 0.11); padding: 10px 0; margin: 10px 0 10px 0}

.custom_widget > *:not(#nbs_leftbutton):not(#nbs_rightbutton) {opacity: 0}
.custom_widget {10px 0 10px 0; height: 100%; overflow: auto}
#nbs_leftbutton, #nbs_rightbutton, body.openleft #nbs_leftbutton, #nbs_leftbutton:hover, body.openright #nbs_rightbutton, #nbs_rightbutton:hover, body.openleft .me_left .custom_widget > *:not(#nbs_leftbutton), body.openright .me_right .custom_widget > *:not(#nbs_rightbutton) {opacity: 1 !important}
body.openright .nb_sidebar.me_right {box-shadow: 0 0 5px rgba(0, 0, 0, 0.1)}
body.openright .nb_sidebar.me_right {right: 0}
body.openleft .nb_sidebar.me_left {right: 0}
body.openleft #nbs_rightbutton {display: none}
body.openright #nbs_leftbutton {display: none}

#nbs_rightbutton, #nbs_leftbutton {position: absolute; padding: 3px; top: 90px; left: -180px; display: block; height: 70px; width: 170px; transition: all .5s; z-index: 9; background-color: rgba(0, 0, 0, 0.60); border-radius: 5px; border-top: none; border-right: none; border-left: none; border-bottom: 1px solid rgba(255, 255, 255, 0.11); padding: 10px 0; margin: 10px 0 10px 0; font-family: 'Poppins', sans-serif; font-weight: bold; color: #FFFFFF; font-size: 15px; text-shadow: 0 0 2px rgba(0, 0, 0, 0.45), 0 0 9px rgba(255, 255, 255, .4)}
#nbs_rightbutton:focus, #nbs_leftbutton:focus {outline: 0}
#nbs_rightbutton {right: 335px}
#nbs_leftbutton {right: 335px; top: 0}
.nbs_textclose {text-align: center}
.nbs_textclose a {cursor: pointer}

.nb_sidebar.me_right {right: -380px}
.nb_sidebar.me_left {right: -380px}

.nb_sidebar, .container, .custom_widget > *:not(#nbs_leftbutton):not(#nbs_rightbutton), body.openright .nb_sidebar.me_right, body.openleft .nb_sidebar.me_left {transition: all .5s linear}

body {overflow-x: hidden}