@charset "utf-8";
@import url(reset.css);

body{
    list-style-type: none;
}
.contents{
    width: 100%;
    margin: 0 auto;
    background: #fff;
}

nav{
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    transition: .3s;
}

ul{
    width: 100%;
}

li{
    width: 20%;
    float: left;
    text-align: center;
}

section{
    padding: 300px 0;
    text-align: center;
}

#sec1{
    background: #9cf;
}

#sec2{
    background: #fcc;
}

#sec3{
    background: #6cc;
}

h2{
    font-size: 3em;

    color: #fff;
}