body {
color: white;
background: black;
}

header {
    border-bottom: solid 2px rgb(254, 13, 4);
    padding: 20px;
    font-size: 32px;
    color: rgb(42, 122, 228);
}


.chamada {
    background: rgb(184, 156, 213);
    padding-bottom: 80px;
    padding-top: 80px;
    display: flex;
    justify-content: center;
}

.chamada-texto {
    margin-right: 5%;
}

h1 {
  font-size: 40px;
}
p {
  font-size: 20px;
}
.categoria {
  padding-left: 20px;
  padding-right: 20px;
  margin-top: 50px;
}


.categoria-videos img {
    opacity: 0.5;
    height: 200px
}

.categoria-videos img:hover {
    opacity: 1.0;
    border: 1px solid green;
}

.categoria h2 {
 color: rgb(42, 122, 228);
}