help.css

body{
    background-color: rgb(0, 0, 0);
}
.navbar{
    background-color:dodgerblue;
    border-radius:30px;
    padding-top: 3px;
    padding-bottom: 3px;
}
.navbar ul{
    overflow: auto;
}
.navbar li{
    float: left;
    list-style-type: none;
    margin: 3px 7px;
}
.navbar li a{
    color: white;
    padding:2px 10px;
    text-decoration: none;
}
.navbar li a:hover{
    background-color: blue;
    border-radius: 12px;
}
.content{
     margin-top: 5px;
    height: 900px;
    border-radius: 44px;
    background-color:#bdfffc;
    background-image: url(https://images.unsplash.com/photo-1549890762-0a3f8933bc76?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=2035&q=80);
    background-size: 100vw;
}

.container{
    display:flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    background-image: url(https://images.unsplash.com/photo-1549890762-0a3f8933bc76?ixlib=rb-1.2.1&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=2035&q=80);
    background-size: 100vw;
}
.box{
    background-color: rgb(112, 153, 126);
    border-radius: 20px;
    height: 8rem;
    width: 25rem;
    margin:1rem;
    padding:3px;
}
.box a{
    text-decoration:none;
    color: black;
    background-color:rgb(220, 20, 20);
    padding: .2rem;
    border-radius: 9px;

}