Disable sidebar single.php

I have tried to remove my sidebar on my custom theme.
Cant get it done. All articels are 5years old och the plugins i find doesnt work. How to remove sidebar in my single.php?

single.php

<?php

get_header(); ?>

    <div id="single_page_wrap" class="clearfix">

        <div class="container">
            <div class="row">

<?php while (have_posts()) : the_post();?>

    <div class="col-md-8 col-sm-8 single_page_content">
                    <div class="single_title_image clearfix">
                        <h1><?php the_title(); ?></h1>
                        <?php the_post_thumbnail('full'); ?>
                    </div>
                    <!--single_title_image clearfix-->

                    <div class="single_content_text clearfix">
                        <?php
                        the_content();
                        ?>

                    </div>
                    <!--clearfix-->
                </div>
                <!--col-md-8 single_page_content-->
<?php endwhile; ?>
                <?php wp_reset_query(); ?>
                <div class="col-md-4 col-sm-4 single_wid_wrap">
                  <?php get_sidebar('post') ?>

                </div>
                <!--col-md-4 single_wid_wrap-->

            </div>
            <!--row-->
        </div>
        <!--container-->

    </div><!--single_page_wrap-->

<?php get_footer(); ?>

my css

/*

Version:     1
Tags:        light, dark, white
Text Domain: foo
*/

/**************************************************************************************************
                                Importing Fonts
*************************************************************************************************/
/*lato font*/
/*
 @import url(http://fonts.googleapis.com/css?family=Lato:400,700);
*/

@import url(https://fonts.googleapis.com/css?family=Open+Sans:400,600,700);
@import url(https://fonts.googleapis.com/css?family=Montserrat:400,700);
/*Montserrat*/
/*
@import url(http://fonts.googleapis.com/css?family=Montserrat:400,700);
*/
/*@import url(http://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,700);*/
/**************************************************************************************************
                                Universal Rules
*************************************************************************************************/
ul,li{

    padding: 0;
    margin: 0;

}

h1,h2,h3,h4,h5,h6{
    padding: 0;
    margin: 0;
}

body{
    font-size: 16px;
    line-height:1.6em;
    background-color: #fff;
    font-family: 'Open Sans', sans-serif;
    color:#333;
    font-weight: normal;

}

/**************************************************************************************************
                                Regular Classes and rules
*************************************************************************************************/

.width_100{
    width: 100%;
}

img{
    max-width: 100%;
    height: auto;
}

/**************************************************************************************************
                                Theme Styles
*************************************************************************************************/
/*#header_wrap*/
/*#header_wrap*/
#header_wrap{
    min-height: 140px;
}
/*.logo_wrap*/
.logo_wrap{
    padding-top: 20px;

}

/*.top_big_menu_wrap*/
.top_big_menu_wrap{
    float: left;
    position: relative;
    z-index: 9999;
}
.top_big_menu_wrap ul{
    padding-top: 65px;
}
.top_big_menu_wrap ul, .top_big_menu_wrap li{

    list-style: none;

}

.top_big_menu_wrap >ul >li{
    display: inline-block;
    margin-right: 30px;
}

.top_big_menu_wrap >ul  > li > a{
    color: #666666;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 16px;
}

.top_big_menu_wrap  >ul >li > a:hover,.top_big_menu_wrap >ul  >li.current-menu-item >a{
    color: #7a2828;
    text-decoration: none;
}

.top_big_menu_wrap li{
    position: relative;
}
.top_big_menu_wrap li ul{
    display: none;
    padding: 0;
    padding: 10px 0 10px 0;
}

.top_big_menu_wrap li:hover > ul{
    display: inline-block;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #B62D22;
    width: 180px;
    text-align: center;
}

.top_big_menu_wrap li li{
    display: block;
    text-align: left;
}
.top_big_menu_wrap li li a{
    color: #fff;
    line-height: 2em;
    display: block;
    padding:0 10px;

}

.top_big_menu_wrap li li a:hover{
    background-color: #fff;
    color: #B62D22;
    text-decoration: none;

}

/**************************************************************************************************
                                full width blog
*************************************************************************************************/
.single .site-content {
	margin: 0;
}

/**************************************************************************************************
                                mobile menu
*************************************************************************************************/
#slide_down_box_btn {
    color: #fff;
    line-height: 50px;
    cursor: pointer;
    display: none;
    text-align: left;
}

.top_responsive_menu{
    display: none;
    background-color: rgb(106, 0, 0);
    padding-top: 20px;
}

.top_responsive_menu li {
    display: block;
    text-align: center;
    position: relative;
}
.top_responsive_menu li a {
    font-size: 18px;
    text-transform: uppercase;
    color: #fff;
    line-height: 1.8em;
    text-decoration: underline;

}
#slide_down_box_btn i {
    line-height: 50px;
    float: right;
}
.top_responsive_menu > ul {
    margin-bottom: 20px;
}

.top_responsive_menu ul {
    display: block;
    list-style-type: none;
}

.top_responsive_menu li ul{
    background-color: #fff;

}
.top_responsive_menu li ul a{
    color: rgba(106,0,0,1);
}
/*.top_phone_info*/
/*.top_phone_info*/
/*.top_phone_info*/
.top_phone_info{
    padding-top: 55px;
    text-align: right;

}

.top_phone_info i{
    display: inline-block;
    font-size: 35px;
    color: #ae2b1f;

}

.top_phone_info h3{
    display: inline-block;
    font-size: 18px;
    font-weight: 700;
    text-align: left;
    margin-left: 15px;
}
.top_phone_info h3 span{
    font-weight: 600;
}

/*#home_6_box_wrap*/
/*#home_6_box_wrap*/
#home_6_box_wrap{
    padding: 60px 0 75px 0;
}

/*.home_6_box_single_inner*/
.home_6_box_single_inner{
    background-color: #F0F0F0;
    text-align: center;
    height: 450px;
    margin-bottom: 20px;
}

.home_6_box_single_inner img{
    width: 100%;
    height: 220px;
}

.home_6_box_single_inner h3{
    font-size: 28px;
    font-weight: 600;
    margin: 20px 0 25px 0;
    text-transform: none;
}

.home_6_box_single_inner p{
    color: #ae2b1f;
    padding: 0 30px;
}

/*#home_contact_wrap*/
/*#home_contact_wrap*/
#home_contact_wrap{
    background-color: #212426;
    height: 500px;
}

/**************************************************************************************************
                                .home_contact_text
*************************************************************************************************/
.home_contact_text{
    padding-top: 90px;
    color: #fff;
}

.home_contact_text h3{
    font-size: 30px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 30px;
}

.home_contact_text p,.home_contact_text  li{
    color: #ccc;
    font-family: Montserrat, sans-serif;
    font-weight: 700;
    font-size: 15px;

}

.home_contact_text  li{

    list-style-image: url('theme_assets/images/li_tick_bg.png');
    list-style-position: outside;
    padding-left: 5px;
    margin-left: 25px;
    line-height: 2em;

}

/*.red_btn*/
.red_btn{
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    display: inline-block;
    text-align: center;
    line-height: 46px;
    background-color: #AE2B1F;
    padding: 0 20px;
    -webkit-transition: all 0.3s;-moz-transition: all 0.3s;-ms-transition: all 0.3s;-o-transition: all 0.3s;transition: all 0.3s;
    min-width: 220px;
    border: 2px solid #AE2B1F;
    height: 50px;
}

.red_btn i{
    font-size: 12px;
    margin-left: 6px;
}

.red_btn:hover{
    color: #fff;
    background-color: transparent;
    text-decoration: none;
    border-color: #AE2B1F;
}

.black_btn{
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    display: inline-block;
    text-align: center;
    line-height: 46px;
    background-color: transparent;
    border: 2px solid #fff;
    padding: 0 20px;
    -webkit-transition: all 0.3s;-moz-transition: all 0.3s;-ms-transition: all 0.3s;-o-transition: all 0.3s;transition: all 0.3s;
    min-width: 220px;
    height: 50px;
}

.black_btn:hover{
    color: #fff;
    background-color:  #AE2B1F;
    text-decoration: none;
    border-color:  #AE2B1F;
}

.home_contact_text  .red_btn{
    margin-right: 6px;
}
.home_contact_text .red_btn, .home_contact_text .black_btn{

    margin-top: 20px;

}

/*.home_contact_image*/
.home_contact_image{
    height: 100%;
/*   background:url(theme_assets/images/contact_femal_girl.jpg);*/
    background:url(theme_assets/images/reception2.jpg);
    background-size: cover;
    background-repeat: no-repeat;
}
/**************************************************************************************************
                                .client_testimonial_wrap
************************************************************************************************/
.client_testimonial_wrap{
    padding: 60px 0;
    background-color: #EFEFEF;
}

.single_testi img{
    border-radius: 50%;
}

.single_testi h3{
    color: #AE2B1F;
}

.single_testi h3:first-of-type{
    margin-bottom: 15px;
}

.name_tesi{
    font-size: 20px;
    font-weight: bold;
}

/**************************************************************************************************
                                .email_subscribe
*************************************************************************************************/
.email_subscribe{
    background-color: #F0F0F0;
    padding: 60px 0;
}
.email_subscribe h2{
    font-weight: bold;
    margin-top: 5px;
    margin-bottom: 15px;

}

#sub_eamil{
    background-color: transparent;

    border: 2px solid #AE2B1F;
    outline: none;
    width: 400px;
    line-height: 40px;
    padding-left: 15px;
    color: #000;
    font-weight: bold;
    height: 45px;
}

#sub_eamil::-webkit-input-placeholder {
    color: #000;
    font-weight: bold;
}

#sub_eamil:-moz-placeholder { /* Firefox 18- */
    color: #000;
    font-weight: bold;
}

#sub_eamil::-moz-placeholder {  /* Firefox 19+ */
    color: #000;
    font-weight: bold;
}

#sub_eamil:-ms-input-placeholder {
    color: #000;
    font-weight: bold;
}

#sub_submit_btn{
    height: 45px;
    background-color: #AE2B1F;
    color: #fff;
    padding: 0 30px;
    border: none;
    outline: none;
    position: relative;
    left: -5px;

}

/**************************************************************************************************
                                .contact_form_home_wrap
*************************************************************************************************/
.contact_form_home_wrap{
    padding-top: 80px;
    padding-bottom: 80px;
    background-image: url(theme_assets/images/contact_wrap_bg.jpg);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    min-height: 400px;
    color: #fbfbfb;
}

.contact_form_home_wrap h2{
    margin-top: 5px;
    margin-bottom: 40px;
}

/*#contact_form_home*/
/*#contact_form_home*/
#contact_form_home input, #contact_form_home textarea{
    background-color: #1D2023;
    line-height: 50px;
    padding-left: 20px;
    font-weight: normal;
    letter-spacing: 1px;
    outline: none;
    border: none;
    width: 100%;
}

#contact_form_home label{
    width: 48%;
    position: relative;
}

#contact_form_home  label:first-of-type{
    float: left;
}

#contact_form_home  label:last-of-type{
    float: right;
}

#contact_form_home label i{
    position: absolute;
    right: 0;
    top: 0;
    background-color: #1D2023;
    line-height: 50px;
    width: 40px;
    text-align: center;
    height: 100%;
}

.cf_textarea_wrap{
    position: relative;
    margin-top: 10px;
    margin-bottom: 10px;
}

.cf_textarea_wrap i{
    position: absolute;
    right: 0;
    top: 0;
    background-color: #1D2023;
    line-height: 50px;
    width: 40px;
    text-align: center;
}

#cf_submit{
    background-color: #AE2B1F!important;
}

#cf_submit:hover{
    opacity: 0.9;
}

#contact_form_home input::-webkit-input-placeholder,#contact_form_home textarea::-webkit-input-placeholder  {
    color: #fbfbfb;
    font-weight: bold;
}

#contact_form_home input:-moz-placeholder,#contact_form_home textarea:-moz-placeholder { /* Firefox 18- */
    color: #fbfbfb;
    font-weight: bold;
}

#contact_form_home input::-moz-placeholder,#contact_form_home textarea::-moz-placeholder {  /* Firefox 19+ */
    color: #fbfbfb;
    font-weight: bold;
}

#contact_form_home input:-ms-input-placeholder,#contact_form_home textarea:-ms-input-placeholder {
    color: #fbfbfb;
    font-weight: bold;
}

/*.text_contact_form_home*/
/*.text_contact_form_home*/
.text_contact_form_home{
    color: #fbfbfb;
    font-weight: normal;
    text-align: left;
}
.text_contact_form_home p{
    margin-bottom: 20px;
}
.text_contact_form_home i{
    margin-right: 30px;
    font-size: 20px;
}

/**************************************************************************************************
                                #footer_social
*************************************************************************************************/
#footer_social{
    text-align: center;
    padding-top: 50px;
    padding-bottom: 25px;
    background-color: #FBFBFB;
}
#footer_social ul{
    list-style: none;
}
#footer_social li{
    display: inline-block;
    line-height: 50px;
    height: 50px;
    padding: 0 30px;
    color: #fff;
    margin-left: 5px;
}
#footer_social li i{
    margin-right: 10px;
}
#footer_social li a{
    color: #fff;
    line-height: 50px;
    text-transform: uppercase;
}

#footer_social li.fb_link{
    background: #1B78C7;

}

#footer_social li.google_link{
    background: #FFB400;

}

#footer_social li.twitter_link{
    background: #00BFF3;

}

/**************************************************************************************************
                                #contact_top_main_slider
*************************************************************************************************/
#contact_top_main_slider{
    height: 450px;
    background-image: url(theme_assets/images/contact_slider_img.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    position: relative;
}

.contact_slider_text{
    position: absolute;
    top: 40%;
    width: 100%;
    text-align: center;
    color: #fff;
}

.contact_slider_text h2{
    font-weight: 700;
    font-size: 70px;
    margin-bottom: 15px;

}

.contact_slider_text h5{
    font-weight: 700;
    font-size: 22px;
}

.contact_info_text p{
    margin-bottom: 0;
}

.contact_page_title{
    font-weight: bold;
    margin-top: 25px;
    margin-bottom: 45px;
}

.blue_btn_big{
    display: block;
    width: 100%;
    min-height: 50px;
    background-color: #005DC9;
    color: #fff;
    font-size: 16px;
    text-transform: uppercase;
    line-height: 50px;
    text-align: center;
    border: 2px solid #005DC9;
    border-radius: 50px;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    -ms-transition: all 0.3s;
    -o-transition: all 0.3s;
    transition: all 0.3s;
}

.blue_btn_big:hover{
    background-color: transparent;
    text-decoration: none;
    color: #005DC9;
}

.contact_button{
    margin: 20px 0;
}

.contact_info_text h3,.contact_info_listing h3{
    font-weight: bold;
    margin-bottom: 20px;
}

/*.single_contact_list*/
/*.single_contact_list*/
/*.single_contact_list*/

.single_contact_list i{
    color: #005DC9;
    margin-right: 5px;
}

.single_contact_list h4{
    font-weight: bold;
    color: #005DC9;
    cursor: pointer;
    margin-bottom: 10px;
}

.single_contact_list p{
    font-weight: bold;
}
.single_contact_list p{
    display: none;
}

.contact_content_wrap{
    background-color: #FBFBFB;
}

.contact_content_wrap_container{
    background-color: #fff;
}

.footer_wrap{
    color: #6d7480;
    background-color:#FBFBFB ;
}

/**************************************************************************************************
                                main page slider
*************************************************************************************************/

#top_main_slider{
    height: 450px;
    margin-bottom: 70px;
}
#top_main_slider .bx-wrapper .bx-pager, #top_main_slider .bx-wrapper .bx-controls-auto {
    bottom: 7%;
}

#top_main_slider .bx-wrapper .bx-pager.bx-default-pager a {
    width: 15px;
    height: 15px;
    border-radius: 50%;

    background-color: transparent;

    border: 2px solid #fff;
}
#top_main_slider .bx-wrapper .bx-pager.bx-default-pager a:hover, #top_main_slider .bx-wrapper .bx-pager.bx-default-pager a.active {
    background-color: #fff;
    border: 2px solid transparent;
}
#top_main_slider .bxslider li {
    width: 100%!important;
    height: 100%!important;
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

/*#top_main_slider .bxslider li h2 {
    color:#fff;
    font-family: 'SinkinSans-800Black',sans-serif;
    position: absolute;
    width: 100%;
    z-index: 999;
    top: 25%;
    text-align: center;
    text-transform: none;
    font-size: 36px;
    line-height: 45px;
    font-weight: bold;
}*/
#top_main_slider .bxslider {
    /* width: 100%!important; */
    height: 100%!important;
    margin: 0!important;
    padding: 0!important;
}

#top_main_slider .bx-wrapper .bx-viewport {
    box-shadow: none!important;
    border: 0!important;
}

#top_main_slider .bx-viewport {
    width: 100%!important;
    height: 100%!important;
    left: 0!important;
}

#top_main_slider .bx-wrapper {
    width: 100%;
    height: 100%;
}

#top_main_slider .bx-wrapper .bx-prev {
    left: 20px;
    background: url(theme_assets/images/left_slider_icon.png);
    background-size: 100% 100%;
    width: 50px;
    height: 50px;
}

#top_main_slider .bx-wrapper .bx-next {
    right: 20px;
    background: url(theme_assets/images/right_slide_icon.png);
    background-size: 100% 100%;
    width: 50px;
    height: 50px;
}

#top_main_slider .bx-wrapper .bx-prev:hover {
    left: 20px;
    background: url(theme_assets/images/left_slider_hover.png);
    background-size: 100% 100%;
    width: 50px;
    height: 50px;
}

#top_main_slider .bx-wrapper .bx-next:hover {
    right: 20px;
    background: url(theme_assets/images/right_slider_hover.png);
    background-size: 100% 100%;
    width: 50px;
    height: 50px;
}

/*#top_main_slider li*/
#top_main_slider li{
    width: 100%;
    height: 100%;
    background-size: cover;
    position: relative;
}

.slider_inside_wrap{
    position: absolute;
    top: 40%;
    width: 100%;
    text-align: center;
    min-height: 60%;
    color: #000;
}

.slider_inside_wrap h2{
    color: #fff;
    font-size: 70px;
    font-weight: 900;
    margin-bottom: 30px;
    color: #fff;
}

.slider_inside_wrap h3 {
    color: #fff;
}

.slider_inside_wrap .red_btn{
    padding: 0 30px ;
    height: auto;
    line-height: 50px;
    font-size: 16px;
}
.slider_inside_wrap .red_btn:focus{
    color: #fff;
}

.single_title_image{
    text-align: center;
    margin-bottom: 20px;
}

.iframe_home_slider{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    border: none;
    outline: none;
}
/**************************************************************************************************
                                .single_page_content
*************************************************************************************************/
#single_page_wrap{
    margin-top: 30px;
    margin-bottom: 70px;
}

.single_page_content h1{
    color: #000;
    font-size: 36px;
    text-transform: none;
    font-weight: 900;
    text-align: left;
    margin-bottom: 30px;
}

/**************************************************************************************************
                                WP Core Classes
*************************************************************************************************/
.alignleft {
    float: left;
}
.alignright {
    float: right;
}
.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}
img.alignleft {
    margin: 12px 24px 12px 0;
    margin: 0.857142857rem 1.714285714rem 0.857142857rem 0;
}
img.alignright {
    margin: 12px 0 12px 24px;
    margin: 0.857142857rem 0 0.857142857rem 1.714285714rem;
}
img.aligncenter {
    margin-top: 12px;
    margin-top: 0.857142857rem;
    margin-bottom: 12px;
    margin-bottom: 0.857142857rem;
}

/**************************************************************************************************
                                Temp Styles
*************************************************************************************************/
.single_content_text p{
    text-align: justify;
}
.single_content_text blockquote{
    border-color: #AE2B1F;
}

a{
    color: #AE2B1F;
}

/*.single_wid_wrap{
    text-align: center;
}*/

.h3_wid_title{
    font-weight: bold;
    margin-bottom: 5px;

    text-transform: uppercase;
    line-height: 30px;
}

.page_right_wid{
    margin-bottom:30px;
}

.post_right_wid{
    margin-bottom:30px;
}

.modal{
    z-index: 9999999;
}