* {
    box-sizing: border-box;
}
body {
    margin: 0;
    background-color: #21D4FD;
    background-image: linear-gradient(315deg, #21D4FD 0%, #B721FF 100%);
    color: #fff;
    font-family: Arial, Helvetica, sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

p {
    font-size: 22px;
}

.section_menu {
    display: flex;
    justify-content: space-around;
    background-color: #1D2036;
}

.menu_main {
    display: flex;
    list-style: none;
}

.menu_main .menu_main_item {
    margin: 20px;
}
.menu_main_item:hover {
    opacity: 0.3;
}

.section_gallery {
    display: flex;
    position: relative;
    height: 570px;
}
.gallery_promo {
    width: 310px;
    height: 310px;
    padding: 20px;
    position: absolute;
    top: 25px;
    left: 100px;
    background-color: rgba(0, 0, 0, 0.7);
}
.gallery_promo h2 {
    text-align: center;
}
.gallery_promo p {
    line-height: 35px;
}
.section_gallery img {
    width: 100%;
    object-fit: cover;
}

.section_description {
    height: 420px;
    padding: 70px 100px;
    background-image: linear-gradient(90deg,#320559, #d463eb);
}


.menu_category {
    padding: 0;
    list-style: none;
    color: white;
    font-size: 36px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #121212;
}

.menu_category_item {
    /*margin: 10px;*/
    padding: 5px;
    min-height: 80px;
    border: 3px solid transparent;
}

.menu_category_item:hover {
    border: 3px solid #fc0;
}

.menu_category_item a:hover {
    color: #fc0;
}