body,h1,ul,li{
    margin: 0;
    padding: 0;
}
body{
    background-color: #667d8e;
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}
section{
    width: 85%;
    margin: 50px auto;
}
section h1{
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 2px 2px 2px rgba(0, 0, 0, 0.5);
    color: white;
    font-size: 2em;
}
ul{
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: 10px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.57);
    padding-bottom: 10px;
    box-sizing: border-box;
    margin-bottom: 10px;
}
ul li{
    list-style: none;
    background-color: rgba(255, 255, 255, 0.5);
    padding: 5px 10px;
    margin: 0 10px;
    cursor: pointer;
    font-size: 1.2em;
}
ul li.active{
    background-color: rgba(125, 196, 218, 0.897);
}
.product{
    width: 100%;
    padding: 0 10px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.product img{
    width: 200px;
    height: 180px;
    margin-bottom: 10px;
}