*{ box-sizing: border-box;}

body {
    background-color: aquamarine;
    border: 10px solid rgb(53, 53, 97);
    margin: 0%;
}

header{
    background-color: black;
    color: white;
    width: 98%;
    margin: 15px;
    margin-left: 15px;
    padding: 10px;
    outline: 15px dotted red ;
    text-align: center;
    font-size: 4em;
    display: flex;
    justify-content: space-around;
}

h1{
    text-align: center;
    font-size: 7em;
    letter-spacing: 10px;
}
h2{
    text-align: center;
    font-size: 3em;
}
article{
    width: 90%;
    margin: 20px auto;
    background-color: gray;
    border: 5px solid rgb(163, 159, 159);
}
article:nth-of-type(2){
    background-color: rgb(141, 33, 33);
    border: 5px dotted white;
}
article:nth-of-type(3){
    background-color: rgb(204, 20, 173);
    border: 5px dashed rgb(109, 21, 109);
}
article:nth-of-type(4){
    background-color: rgb(218, 33, 33);
    border: 5px groove rgb(68, 34, 34);
}
h3{
    width: 85%;
    color: white;
    font-family: 'Times New Roman', Times, serif;
    margin: 10px;
    font-size: 2em;
}
p{
    margin: 10px;
}
i{
    font-size: 5em;
}