fruit1-final-peishu.html.css

* {
    box-sizing: border-box;
    text-decoration: none;
    border: none;
}
#page-wrapper {
    position: relative;
}
#page-wrapper::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url(src/fruit1.jpg);
    opacity: 0.2;
}
#container {
    display: flex;
    flex-direction: row;
    visibility: hidden;
}
header {
    isolation: isolate;
    background-color: rgb(176, 87, 141);
    color: black;
    padding-left: 1%;
    padding-bottom: 1.5%;
    padding-top: .5%;
    text-align: center;
}
body {

    text-align: center;
}
nav {
    isolation: isolate;
    width: 30%;
    text-align: center;
    padding: 0 3%;
}
nav ul {
    list-style: none;
    margin: 7vh 0;
}
nav li {
    border: 2px solid black;
    background-color: rgb(176, 87, 141);
    margin: 0 1vw;
    padding: 3vh 2vw;
    font-size: calc(1px + 1vw);
}
nav a {
    text-decoration: none;
    color: black;
    font-size: medium;
}
main {
    isolation: isolate;
    width: 70%;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
}
footer {
    isolation: isolate;
    margin: 0;
    padding: .1%;
    background-color: rgb(176, 87, 141);
    color: black;
}
footer a {
    color: black;
}
@media screen and (max-width: 750px) {
    #container {
        display: flex;
        flex-direction: column;
    }

    nav {
        padding: 0;
        width: 100%;
        margin: auto;
    }
    nav ul {
        list-style: none;
        padding: 2% 2%;
    }

    main {
        width: 100%;
        display: flex;
        flex-direction: column;
    }

    nav li {
        display: inline;
        margin:auto;
        padding: .5%;
        list-style: none;
        font-size: 65%;
    }
    nav a {
        text-decoration: none;
    }
}