*, *::before, *::after {
    box-sizing: border-box;
}

body {
    display: block;
    background-color: #aac;
    padding: 0;
    margin: 0;
}
header {
    background-color: rgba(0, 0, 100, 0.5);
    display: block;
    position: fixed;
    width: 100%;
    margin: 0;
    padding: 0;
    z-index: 10;
    margin-top: -80px;
}
.main {
    margin-top: 80px;
}
.logo {
    display: inline-block;
    position: relative;
}
.main-menu {
    display: inline-block;
    position: relative;
}
.main-menu-list {
    float: right;
    position: relative;
}
.main-menu-item {
    display: inline-block;
    width: max-content;
    height: 100%;
    background-color: aliceblue;
    margin-right: 30px;
    
    
}
.main-menu-item-link {
    text-decoration: none;
    /* background-color: #aaa; */
    font-size: 30px;
    
}
.main .section {
    width: 100%;
    height: 100px;
    background-color: dimgrey;
    padding: 2%;
    margin-bottom: 2%;
}