*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
ul{
    margin: 0px;
    padding: 0px;
    list-style: none;
}
ul li{
    float: left;
    width: 200px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    font-size: 28px;
}
ul li a{
    text-decoration: none;
    color: white;
    display: block;
}
ul li a:hover{
    background-color: green;
    color: black;
}
ul li a.about:hover{
    color: black;
    background-color: coral;
}
ul li a.fol{
    color: black;
}

ul li ul li{
    display: none;
}
ul li:hover ul li{
    display: block;
}


h1{
    font-size: 30px;
    font-family: "lato",Arial,sans-serif;
}

form{
    font-size: 30px;
    font-family: "lato",Arial,sans-serif;
    font-weight: bold;
    color: blue;
}

ul{
    font-size: 20px;
    font-family: "lato",Arial,sans-serif;
    font-weight: bold;
    color: black;
}
section{
    width: 100%;
    height: 100vh;
    color: #fff;
    background: linear-gradient(-45deg,#EE7752,#E73C7E,#23A6D5,#23D5AB); 
    background-size: 400% 400%;
    position: relative;
    animation: change 5s ease-in-out infinite;
}

@keyframes change{
    0%{
        background-position: 0 50%;
}
    50%{
        background-position: 100% 50%;
}
    100%{
        background-position: 0 50%;
}
}

h4{
    font-size: 30px;
    font-weight: bold;
    color: red;
    color:azure;
}

article{
    font-size: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

h5{
    font-size: 35px;
}

h6{
    font-size: 40px;
}
h7{
    font-size: 40px;
}
h8{
    font-size: 40px;
}
h9{
    font-size: 40px;
}
h10{
    font-size: 40px;
}
h10{
    font-size: 40px;
}
h11{
    font-size: 40px;
}
h12{
    font-size: 40px;
}
h13{
    font-size: 50px;
    color:red;
    background-color: aquamarine;
}
.iut{
    width: 200px;
    border-radius: 100px;
}
footer{
    background-color: #111;
    height: auto;
    width: 100vw;
    font-family: "open sans";
    padding-top: 40px;
    color: white;
}
.main-footer{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}
.main-footer h31{
    font-size: 1.8rem;
    font-weight: 400;
    text-transform: capitalize;
    line-height: 3rem;
}
.main-footer h32{
    max-width: 400px;
    margin: 10px auto;
    line-height: 28px;
    font-size: 14px;
}
.bottom{
    text-align: center;
    font-size: 28px;
}