style.css

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

.main_box {
    background-image: url(photo.jpg);
    background-repeat: cover;
    background-position: right;
    height: 100vh;
}

#check {
    display:none;
}

.sidebar_menu {
    height: 100vh;
    width: 400px;
    background-color: rgba(255, 255, 255, 0.1);
    position: fixed;
    color: white;
    box-shadow: 0 0 4px white;
    left: -450px;
    transition: all 0.5s linear;
}

.btn_one label {
    position: absolute;
    color: white;
    font-size: 30px;
    font-weight: 700;
    left: 16px;
    cursor: pointer;
    transition: all 0.2s linear;
}

.btn_two label {
    position: absolute;
    left: 370px;
    top: 14px;
    color: grey;
    font-size: 25px;
    cursor: pointer;
    transition: all 0.2s linear;
}

.sidebar_menu div a {
    text-decoration: none;
    color: white;
}

.menu {
    position: absolute;
    top: 80px;
    width: 100%;
    font-size: 20px;
}

.menu ul {
    list-style-type: none; 
}

.menu li {
    margin-top: 6px;
    line-height: 50px;
    padding: 10px 15px;
}

.menu li i {
    padding-right: 3px;
}

.social_media {
    position: absolute;
    text-align: center;
    width: 100%;
    bottom: 20px;
    font-size: 25px;
}

.social_media i {
    margin: 2px;
    opacity: 0.4;
}

.sidebar_menu .logo {
    position: absolute;
    width: 100%;
    text-align: center;
    font-size: 30px;
    font-weight: 600;
    box-shadow: 0 0 2px white;
    line-height: 80px;
}

.social_media i:hover {
    opacity: 1;
    transform: scale(1.3);
}

.menu li:hover {
    box-shadow: 0 0 2px white;
}

.btn_two label:hover, .btn_one label:hover {
    transform: scale(1.3);
}

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

#check:checked ~ .btn_one {
    display: none;
}