body {
    background: #322532;
    color: #fff;
    font-family: sans-serif;
    margin:0;
}
.logo {
    font-size: 45px;
    font-weight: bold;
    margin: 0;
}

.head0{
    margin: 25px 0;
}
.head {
    display: flex;
    justify-content: space-between;
    
}
.head ul {
    list-style: none;
}
a {
    text-decoration: none;
    color: #fff;
}
.head li {
    float:left;
    margin: 0 0 0 20px;
}
.precontain {
    padding: 0 20px;
}
.contain {
    width: 100%;
    max-width: 1200px;
    margin: auto;
}


@media (max-width: 700px) {
.menu {
    display: none;
}
}