body{
padding: 0;
margin: 0;
font-family: Arial, Helvetica, sans-serif;
background-color: rgb(202, 230, 202);
}

h3{
    height: 50px;
    margin-top: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    background-color: rgb(202, 230, 202);
}

header{
    height: 70px;
    display:flex;
    flex-direction: column;
    justify-content: center;
    background-color: black;
    margin-top: 0;
    width: 100%;
}

nav ul{
    display: flex;
    justify-content: space-around;
    list-style: none;
}

nav a{
    padding: 7px;
    text-decoration: none;
    color: white;
    border-style: solid;
    border-color: white;
    border-radius: 80px;
    border-width: 1px;
    transition: 0.3s ease;
}


nav a:hover{ 
    font-size: 20px;
    color: black;
    border-style: solid;
    border-color: black;
    border-radius: 80px;
    border-width: 1px;
    background: white;
}

nav ul ul{
    display: none;
    position: absolute;
}

nav ul li a {
    display: inline-block;
}

nav li li {
    margin-top: 10px;
}

nav ul li > ul{
    position: flex;
    background-color: black;
    border-radius: 10px;
    padding: 10px;
}

nav ul li:hover > ul{
    display: block;
}

.cont{
    display: flex;
    flex-direction: column;
    align-items: center;
}

#img1{
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    justify-content: center;
    background-color: black;
    width: 1418px;
}

#img2{
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    justify-content: left;
}

img{
    height: 270px;
    width: 455px;
}

p{
    display: flex;
    flex-direction: column;
    text-align:center
}

.img2{
    width: 467px;
    border-color: black;
    border-style: none;
    margin-left: 10px;
    margin-top: 10px;
}

.gradient{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-image: linear-gradient(to bottom right, red, yellow);
    width: 470px;
    height: 280px;
    margin: 1px 1px;
}

footer{
    display:flex;
    flex-direction: column;
    background-color: black;
    margin-top: 10px;
    width: 100%;
}

#logo{
    width: 110px;
    height: 110px;
}

.hide{
    position: absolute;
    visibility: hidden;
    color: white;
    width: 30vw;
    text-align: center;
    margin-top: -5%;
}

.hide2{
    margin-top: 12%;
    position: absolute;
    visibility: hidden;
}

.gradient:hover p,
.gradient:hover button {
    visibility: visible;
}