*{
    /* background-color: aquamarine; */
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    margin: 10px;
    padding:10px;
}

div{
    text-align: center;
}

.main-header{
    width:70%;
    text-align: center;
    margin: auto;
    background-color: beige;
}

.main-content{
    border-style: double;
    width:70%;
    margin:auto;
    background-color: rgba(55,75,42,0.1);
}

.main-content:hover{
    color: red;
}