style.css

/* Cascading Style Sheet */

body{
    background-color:#6BEDD3;
    font-family:Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    margin:0;
    padding: 0;
}

ul{
    margin: 0;
    padding: 0;
}

li{
    list-style: none;
}

header{
    background-color:#38A18C;
    height: 100px;
}

h1{
    float: left;
    margin-left: 20px;
    margin-top:30px;
    margin-right:50px;
    color: #fffefe;
    text-shadow: 3px 3px 3px rgb(0, 0, 0);
    font-size:xx-large
}

nav li {
    display: inline-block;
    margin-top: 40px;
    margin-right: 20px;
}

.btn{
    width: 150px;
    height: 50px;
    color:rgb(254, 247, 247);
    background-color: rgb(52, 137, 240);
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    cursor: pointer;
    border-radius: 10px;
}

nav li a{
    text-decoration: none;
    color:#141312 ;
    font-weight: 600;
    font-size: 20px;
    cursor: pointer;
}

nav li a:hover{
    color: rgb(57, 75, 207);
    text-decoration:underline;
    font-size: 22px;
}

main{
    width: 960px;
    margin: 30px auto;
    min-height: 700px;
}

#hero{
    width:960px;
    border: 3px solid rgb(255, 253, 253);
    border-radius: 25px;
}

.sealpup{
    width:150px;
    height: 150px;
    border-style:groove;
    border-radius:50px ;
}
#hero:hover{
    border:3px solid rgb(2, 2, 2);
    border-radius:0px;
}

#hero2{
    width:960px;
    border: 3px solid rgb(255, 253, 253);
    border-radius: 25px;
}

#hero2:hover{
    border:3px solid rgb(2, 2, 2);
    border-radius:0px;
}


.subImage{

}

main li img{
    width: 300px;
    height: 150px;
}

main li{ 
    float: left;
    margin-right: 30px;
    margin-top: 20px;
    margin-bottom: 25px;
}

main li:last-child{
    margin-right: 0px;
}

main p{
    font-size:medium;
}


footer{
    text-align: center;
    background-color:#38A18C;
    height: 50px;
}

footer p{
    padding-top:20px;

}