*{
    margin: 0 0;
    padding:0 0;
}
    
header{
    color:#FFFFFF;
    background-color: #284b63;
    padding: 80px;
    text-align: center;
    
}
section{
    padding: 40px 0;
    text-align: center;
}
.features{
    background: #FFFFFF;
    color: rgb(0, 0, 0);
}
.quote{
    background:#549DA0;
    color:rgb(53, 9, 9);
}
footer{
    background: #353535;
    padding: 32px 0;
    text-align: center;
    color: #868686;
    font-size: 12px;
}
h1{
    font-size: 48px;
    margin:0 0 16px 0;

}
h2{
    font-weight: 300;
    font-size: 24px;
    margin: 0 0 16px 0;
}
.container{
    padding: 0 20px 0 20px;
    margin:0 auto;
    max-width :900px;

}
.btn{
    display: inline-block;
    color: white;
    font-weight:500 ;
    font-size: 20px;
    background: #549DA0;
    border-radius: 5px;
    padding: 12px 16px;
    cursor: pointer;
}
.btn:hover{
    background: goldenrod;
    color: #000;
}
.feature{
    display: inline-block;
    width:32%;
    font-size: 16px;
}
.feature img{
    width: 40%;
}
blockquote{
    margin: 0;
    padding: 0;
    text-align: center;
}
blockquote p{
    margin: 0 0 5px 0;
    font-size: 24px;
}
blockquote cite{
    font-size: 16px;
    font-style:italic;
}
blockquote cite:before{
    content: '-';
    margin-right: 5px;
}
footer ul{
    margin: 0;
    padding: 0;
    list-style: none;

}
footer li{
    display: inline-block;
}
footer li a{
    padding: 6px;
    font-size: 14px;
    text-decoration: none;
    color: grey;
}
footer li a:hover{
    color: blue;
}
@media screen and (max-width:480px){
    .btn {
        display:block;
        font-size: 18px;
    } 
    h1{
        font-size: 32px;
        margin:0 0 8px 0;
    }      
    h2{
        font-size: 18px;
    }
    section{
        padding: 25px 0 15px 0;
    }
    .feature{
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: left;
        margin: 0 0 10px 0;
        font-size: 16px;
    }
    .feature img{
        width:15%;
        min-width: 60px;
        margin-right: 20px;
    }
    .quote{
        padding: 30px 0;
    }
    blockquote p{
        font-size: 16px;
    }
    blockquote cite{
        font-size: 14px;
    }
    footer{
        padding: 30px 0 10px 0;
    }
    footer li{
        display: block;
        margin: 5px ;
    }
    .submenu{
        width: 100%;
        position: relative;
    }
}
.submenu{
    left: 50%;
    transform: translate(-50%,0);
    text-align: center;
    position: absolute;
    background-color: #549DA0;
    min-width: 160px;
    border-radius: 5px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0,0,0.2);
}
.submenu a{
    color:azure;
    padding: 12px 16px;
    text-decoration : none;
    display: block;
}
.submenu a:hover{
    background-color: #468486;
}
.submenu{
    display:none;
}