* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;

        }

        header {
            background: #112233;
            height: 110px;

        }

        #logo {
            float: left;
            margin: 15px;
        }

        nav {
            float: right;


        }

        nav ul {
            margin-top: 15px;

        }

        nav li {
            width: 200px;
            height: 50px;
            line-height: 50px;
            margin: 10px 20px;
            border: 1px solid #fff;
            float: left;
            text-align: center;
            list-style: none;
            border-radius: 1px 20px;


        }

        nav a {
            text-decoration: none;
            color: #fff;
            font-family: Orbitron, cursive;
            display: block;
        }

        nav ul li ul {
            display: none;
            margin-top: 33px;


        }


        nav ul li:hover ul {
            display: inline-block;


        }


        nav ul ul li {
            margin: 1px;
            border-radius: 20px 1px;

        }


        nav ul li:hover {
            background: tomato;
            font-weight: 900;
            transform: scale(1.1);
            transition-duration: 1s;

        }

        nav ul ul a {
            color: #112233;
            border: 1px solid;
            border-radius: 20px 1px;
            font-weight: 900;

        }


        nav input {
            float: right;
            margin: 0 20px;
            width: 200px;
        }

        .top{
       
            position: fixed;
            right: 10px;
            top: 170px;
            border-radius: 50px;
            font-size: 50px;
         }
     .top:hover{
         transform: scale(0.8);
         transition-duration: 0.6s;
     }
         .top i{
             color: #112233;
             
         }


        main {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-auto-rows: minmax(300px, auto);
            color: #fff;
            font-family: Charm700, cursive;
            /*background:
                linear-gradient(rgba(0, 0, 0, 0),
                rgba(0, 0, 0, 1));*/
            background: linear-gradient(139deg, #000, #fff);

            clear: both;
        }

        main a {
            color: yellow;
        }





        main h1 {
            grid-column: 1/4;
            align-self: center;
            justify-self: center;
            text-transform: uppercase;
        }

        main img {
            justify-self: center;

        }



        main h3 {
            align-self: center;
            justify-self: center;
        }

        main p {
            align-self: center;
            justify-self: flex-start;
            text-align: justify;
            padding: 0 20px;
        }

        section {
            width: 100%;
            margin: 0 10px;
            background: #d6d0d0;
            font-family: Righteous, sans-serif;
            padding: 20px;
            background: linear-gradient(139deg, #8f8f8f, #fff);

        }

        section h2 {
            text-align: center;
        }

        section ul {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-template-rows: minmax(200px, auto);

        }

        section ul li {
            align-self: center;
            justify-self: center;
            list-style: none;
        }

        section li:nth-child(-n+3):hover {
            transform: rotate(360deg);
            transition-duration: 2s;
        }

        section ul li:nth-child(n+4) {
            align-self: start;

        }

        section ul li a {
            text-decoration: none;

        }

        section i {
            font-size: 50px;    
            padding: 0 10px;
        
        }

        article {
            column-count: 4;
            column-gap: 100px;
            column-rule: 1px dashed #3d3d3d;
            text-align: justify;
            background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.8)), url(images/ist3.jpg);
            background-size: cover;
            background-position: top;
            color: #fff;
            font-family: Orbitron, cursive;
            font-weight: bold;
            padding: 20px 30px;
            background: ;
        }

        .fa-html5 {
            color: #e34f26;
        }

        .fa-css3-alt {
            color: #002561
        }

        .fa-js {
            color: #f7df1e
        }

        footer {
            background: #112233;
            overflow: hidden;
            height: 80px;
            line-height: 100px;
            padding: 0 20px;
            line-height: 80px;

        }

        footer h1 {
            float: left;
            color: #e34f26;
            /*line-height: 80px;*/

        }

        footer ul {
            display: flex;
            color: #fff;
            list-style-type: none;
            justify-content: flex-end;



        }

        footer li {
            font-size: 50px;
            color: #000;
            margin: 0 20px;
            /*line-height: 80px;*/
        }

        footer li:hover {
            transform: rotate(360deg);
            transition-duration: 1s;
        }

        .fa-github,
        .fa-codepen {
            font-size: 50px;
            padding: 5px;
            color: #fff;
        }

     

        footer p {
            color: #e34f26;
            font-size: 20px;
            /* line-height: 80px;*/

        }