div > h3:first-child{
    color: pink;
}

#greycol:hover {
    color: gray;
}

div > div p:hover {
    color: red
}

h3 + p::first-line{
    color: green;
}

.yellow:last-of-type{
    color: yellow;
}

caption + thead::selection {
    background-color: lightgray;
}

table:hover{
    font-family: sans-serif;
    text-align: left;
    border-collapse: separate;
    border-spacing: 5px;
    background: #ece9e0;
    color: #656665;
    border: 16px solid #ece9e0;
    border-radius: 45px;
}

th {
    font-size: 18px;
    padding: 10px;
    border-radius: 45px;
}

td {
    background: #f5d7bf;
    padding: 10px;
    border-radius: 45px;
}

tr > td:first-child {
    background: lightgray;
}