/* PREVIEW 1 */
.preview1 {
    min-height: 20vh;
}
.preview1 button:active {
 background: greenyellow;
}

/* PREVIEW 2 */
.preview2 {
    min-height: 20vh;
}
.preview2 a:hover {
 text-decoration: none;
 color: white;
 background: crimson;
}
     

/* PREVIEW 3 */
.preview3 {
    min-height: 20vh;
}
.preview3 .container p:first-child {
 background: lightcoral;
 padding: 0.4rem;
}

/* PREVIEW 4 */
.preview4 {
    min-height: 20vh;
}
.preview4 .container p:last-child {
 background: lightcoral;
 padding: 0.4rem;
}

/* PREVIEW 5 */
.preview5 {
    min-height: 20vh;
}
.preview5 a:visited {
 color: purple;
}

/* PREVIEW 6 */
.preview6 {
    min-height: 20vh;
}
.preview6 button:disabled {
 background-color: lightgray;
}