mini-project.css

* {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
}
.main_box {
    background-image: url(photo.jpg);
    height: 100vh;
    background-size: cover;
}
.btn_one {
    color: white;
    font-size: 30px;
    font-weight: 700;
    position: absolute;
    left: 10px;
    line-height: 60px;
    cursor: pointer;
    transition: all 1s ease;

}
.sidebar_menu {
    position: fixed;
    left: -350px;
    height: 100vh;
    width: 300px;
    background-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 10px rgba(255, 255, 255, 1);
}
.sidebar_menu .logo{
    position: absolute;
    width: 100%;
    line-height: 60px;
    box-shadow: 0 0 2px rgba(255, 255, 255, 1);
}
.sidebar_menu .logo a {
    position: absolute;
    left: 50px;
    color: white;
    text-decoration: none;
    font-size: 20px;
    font-weight: bolder;
}
.sidebar_menu .btn_two i{
    color: gray;
    font-size: 25px;
    line-height: 60px;
    position: absolute;
    left: 275px;
    opacity: 1;
    cursor: pointer;
    transition: all 0.5s initial;
}
.sidebar_menu .menu{
    position: absolute;
    width: 100%;
    top: 80px;
}
.sidebar_menu .menu li {
    margin-top: 6px;
    padding: 14px 20px;
}
.sidebar_menu .menu i,a {
    color: white;
    text-decoration: none;
    font-size: 18px;
}
.sidebar_menu .menu i {
    padding-right: 8px;
}
.sidebar_menu .social_media {
    color: white;
    opacity: 0.5;
    position: absolute;
    left: 25%;
    top: 90%;
}
.sidebar_menu .social_media i{
    color: white;
    opacity: 0.5;
    padding: 0.5px;
}
#check {
    display: none;
}

.sidebar_menu .menu li:hover {
    box-shadow: 0 0 2px rgba(255, 255, 255, 1);

}
.btn_one i:hover {
    font-size: 40px;
    transition: all 1s ease;
}
.btn_two i:hover{
    font-size: 30px;    
}
.sidebar_menu .social_media i:hover {
    opacity: 1;
    transform: scale(1.2);
}

#check:checked ~ .sidebar_menu {
    left: 0;
    transition: all 1s linear;
    
}
#check:checked ~ .btn_one i {
    opacity: 0;
    transition: all 0.5s linear;
}