body{
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    font-display: 1.5; /*distance between lines*/
    background-color: whitesmoke;
    padding: 0;
    margin: 0;
}

/* Global */
.container{
    width: 80%;
    margin: auto; /*move to center*/
    overflow: hidden;
}

ul{
    margin: 0;
    padding: 0;
}

.button_1{
    height: 38px;
    background: tomato;
    border: 0;
    padding: 0 20px 0 20px;
    color: white;
    border-radius: 4px;
    font-weight: bold;
}

.dark{
    padding: 15px;
    background: darkslategray;
    color: white;
    margin-top: 10px 0;
}

/* header */
header{
    background: white;
    color: darkslategray;
    padding-top: 25px;
    min-height: 60px;
}

header a{
    color: darkslategray;;
    text-decoration: none; /*remove underline*/
    text-transform: uppercase; /*text to uppercase*/
    font-size: 16px;
    font-weight: bold;
}

header li{
    display: inline-block;
    padding: 0 20px 0 20px;     
}

header #brand{
    float: left;
}

header #brand h1{
    margin: 0; 
}

header nav{
    float: right;
    margin-top: 10px;
}

header .highlight, header .current a{
    color: tomato;
}

/* header a:hover{
    color: #cccccc;
} */

/* banner */
#banner{
    min-height: 500px;
    background: dodgerblue;
    background-image: linear-gradient(to bottom right, dodgerblue, MediumSeaGreen);
    /* background: url('../img/banner.jpg') no-repeat; */
    text-align: center;
    color: white;
}

#banner h1{
    margin-top: 150px;
    font-size: 55px;
    margin-bottom: 10px;
}

#banner p{
    font-size: 20px;
}

/* newsletter */
#newsletter{
    padding: 15px;
    color: white;
    background: darkslategray;
}

#newsletter h1{
    float: left;
}

#newsletter form{
    float: right;
    margin-top: 15px;
}

#newsletter input[type="email"]{
    padding: 4px;
    height: 24px;
    width:250px;
}

/* small-banner */
#small-banner{
    padding: 30px 30px 60px 30px;
    color: white;
    background-image: linear-gradient(to bottom right, dodgerblue, MediumSeaGreen);
    min-height: 200;
    margin-bottom: 20px;
}

#small-banner h1{
    margin-top: 40px;
    font-size: 40px;
    margin-bottom: 10px;
}

#small-banner p{
    font-size: 20px;
}

#small-banner button{
    margin-top: 15px;
}

/* boxes */
#boxes{
    margin: 20px 0 50px 0;
}

#boxes .box{
    display: inline-block;
    width:31%;
    padding: 80px 10px;
    text-align: center;
    background-color: white;
    border-radius: 4px;
    color: darkslategray;
}

#boxes .box img{
    width: 90px;
}

/* sidebar */
aside#sidebar{
    float: right;
    width: 30%;
    margin-top: 55px;
}

/* main-col */
article#main-col{
    float: left;
    width: 65%;
}

/* product */
ul#product li{
    list-style: none;
    padding: 20px;
    margin-bottom: 10px;
    background: white;
    border-radius: 4px;
}

/* footer */
footer{
    padding: 20px;
    margin-top: 20px;
    color: white;
    background-color: darkslategray;
    text-align: center;
}


/* media */
@media(max-width:768px){
    header #brand,
    header nav,
    header nav li,
    #newsletter h1,
    #newsletter form,
    #boxes .box,
    article#main-col,
    aside#sidebar{
        float:none;
        text-align: center;
        width: 100%;
    }

    header{
        padding-bottom: 20px;
    }

    header nav li{
        padding:0;
    }

    #boxes .container{
        width: 90%;
    }

    #boxes .box{
        padding: 10px;
        margin: 5px;
        width: auto;
    }

    #banner{
        min-height: 0px;
        padding-bottom: 40px;
    }

    #banner h1{
        margin-top: 40px;
        font-size: 40px;
    }

    #newsletter button{
        display: block;
        width: 100%;
    }

    #newsletter form input[type="email"]{
        width: 100%;
        margin-bottom: 5px;
    }
}