body{
    background-color: #f4f4f4;
    color: #555;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.6em;
    margin: 0;
}

.container{
    width:80%;
    margin:auto;
    overflow:hidden;
}

#main-header{
    background-color:#333;
    color:#fff;
    border-bottom: 5px #fff dotted;

}

/*navbar*/

#navbar{
    background-color: #333;
    color:#fff;
}
#navbar li{
    display: inline;
}
#navbar ul{
    padding: 0;
}
#navbar a{
    color:#fff;
    text-decoration: none;
    font-size: 18px;
    padding-right: 15px;
}

#showcase{
    background-image: url("../images/1.png");
    background-position: center;
    background-size: cover;
    min-height: 300px;
    margin: 30px 0;
    text-align: center;
}

#showcase h1{
    color:#fff;
    font-size:50px;
    line-height: 1.6em;
    padding-top: 30px;
}

#main{
    float:left;
    width:70%;
    padding:0 30px;
    box-sizing: border-box;
}
#sidebar{
    float:right;
    width:30%;
    background: #333;
    color: #fff;
    padding:0 30px;
    box-sizing: border-box;
}

#main-footer{
    background:#333;
    color: #fff;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

@media(max-width:600px){
    #main{
        width:100%;
        float:none;
    }
    #sidebar{
        width:100%;
        float:none;
    }
}