body{
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
}
/* ---------------- navigation bar style ---------------- */
header{
    display: flex;
    padding: 0 5%;
    justify-content: space-between;
    background-color: white;
    box-shadow: 0px 10px 25px #00000043;
    height: 70px;
}
header img{     padding-top: 12px;}
.main-nav{
    padding: 10px;
    display: flex;
    column-gap: 40px;
    padding-top: 18px;
}
.main-nav a{
    font-size: 20px;
    color: #3d414a;
    text-decoration: none;
    transition-duration: 0.3s;
    padding-top: 5px;
}
.main-nav a:hover{
    color: #FB6376;
}
#selected{color: #5762D5;}
header svg:hover{ cursor: pointer;}
#moon-icon{ transform: translateY(-5px); display: none;}
#sun-icon{ transform: translateY(-5px);}

/* ---------------- Product info ---------------- */

#product-main-con{width: 1000px;margin:50px auto;}
#product-main-con main{
    display: flex;
    width: 100%;
    column-gap: 40px;
}
#product-main-con main button{
    background-color: #5762D5;
    font-size: 20px;
    color: white;
    font-weight: bold;
    border: none;
    padding: 10px 20px;
    border-radius: 13px;
    cursor: pointer;
    transition-duration: 0.3s;
}
#product-main-con main button:hover{background-color: #3d47b0;}
#feedback{
    padding: 30px;
    background-color: #E9E6F0;
    border-radius: 20px;
    margin-top: 70px;
}

/* ---------------- feedback form ---------------- */
#feedback input, #feedback textarea{
    width: 97%;
    display: block;
    font-size: 18px;
    padding: 7px 12px;
    margin-bottom: 20px;
    border: none;
    border-radius: 15px;
}

#feedback label{
    font-weight: 300;
    display: block;
    margin-bottom: 5px;
}

#feedback button{
    border: none;
    border-radius: 15px;
    background-color: #5762D5;
    color: white;
    font-size: 18px;
    padding: 10px 30px;
    width: 20%;
    cursor: pointer;
    transition-duration: 0.3s;
}
#feedback button:hover{ background-color: #3d47b0;}