body {
color: white;
background: black;
}

header {
border-bottom: solid 2px rgb(163, 108, 68);
padding: 20px;
font-size: 32px;
color: rgb(3, 5, 7);

}

.chamada {
background: rgb(139, 16, 16);
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);
}