.grid-container{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2);
    gap: 15px;
    text-align: center;
}
.grid-container div{
    border: 2px solid black;
}
.grid-container i{
    font-size: 35px;
    margin: 20px;
}
.grid-container p,
.grid-container h1{
    margin: 10px;
}
header + .flex-container{
    background-color: #777a86;
    color: white;
    font-family: 'Open Sans', sans-serif;
}
table{
    margin: auto;
    width: 100%;
    border: 1px solid #e0e0e0;
    border-collapse: collapse;
}
tr {
    height: 40px;
}
table tr:nth-child(odd) {
    background-color: #f9f9f9;
}
table tr:nth-child(even) {
    background-color: #e0e0e0;
}
td, th {
    border: 2px solid #e0e0e0
}
main section{
    margin: 30px;
}