*{
    margin: 0;
    padding: 0;;
    font-family: "Poppins", sans-serif;
}

.main_box{
    background: url("photo.jpg");
    height: 100vh;
    background-size: cover;
}

.btn_one i{
    color: white;
    font-size :30px;
    font-weight: 700;
    position: absolute;
    left: 16px;
    line-height: 60px;
    cursor: pointer;
    transition: all 0.3s linear;
}


.sidebar_menu{
    position :fixed;
    left:-350px;
    height: 100vh;
    width: 300px;
    background-color: rgba(255,255,255,0.1);
    box-shadow: 0 0 6px rgba(255,255,255,0.5) ;
    transition: all 0.3s linear;
}

.sidebar_menu .logo{
    position: absolute;
    width: 100%;
    line-height: 60px;
      box-shadow: 0 0 4px rgba(255,255,255,0.5) ;
      height: 60px;
}

.sidebar_menu .logo a{
position: absolute;
left: 50px;
color: white;
text-decoration: none;
font-size: 20px;
font-weight: 500;

}


.sidebar_menu .btn_two i{
    color: grey;
    font-size: 25px;
    line-height: 60px;
    position: absolute;
    left: 275px;
    opacity: 0;
    cursor: pointer;
    transition: all 0.2s linear;

}

.sidebar_menu .menu{
    color: white;
    position: absolute;
    width: 100%;
    top: 80px;
}


.sidebar_menu .menu li{
    margin-top: 6px;
    padding: 14px 20px;
}

.sidebar_menu .menu a,i{
    color: white;
    text-decoration: none;
    font-size: 20px;
}

.sidebar_menu .menu i{
    padding-right: 8px;
}

.sidebar_menu .social_media{
   
    position: absolute;
    left: 25%;
    bottom: 50px;
}

.sidebar_menu .social_media i{
 color: white;
    opacity: 0.5;
    padding: 0 5px;
     transition: all 0.2s linear;
}

#check{
 display: none;
}

/* hover changes */
.sidebar_menu .menu li:hover{
    box-shadow: 0 0 4px rgba(255,255,255,0.5) ;
}

.btn_one i:hover{
    font-size: 40px;
    
}

.btn_two i:hover{
    font-size: 30px;
}

.sidebar_menu .social_media i:hover{
    opacity: 1;
    transform: scale(1.5);
}


/* functionality to open and close sidebar menu */

#check:checked ~ .sidebar_menu{
    left: 0;
}

#check:checked ~  .btn_one i{
    opacity: 0;
}

#check:checked ~  .sidebar_menu .btn_two i{
    opacity: 1;
}