.titulo-curso{
    color: black;
    font-weight: 500;
}
.buttons.back button {
    background: none;
    border: none;
    outline: 0;
    cursor: pointer;
    margin-bottom: 39px;
    margin-left: 85px;
}
.buttons.forward button {
    background: none;
    border: none;
    outline: 0;
    cursor: pointer;
    margin-bottom: 39px;
    margin-left: 0px;
}
.buttons button:before {
    font-family: 'Font Awesome 5 Free';
    width: 30px;
    height: 30px;
    display: inline-block;
    font-size: 22px;
    font-weight: bold;
    color: white;
    transform: scaleX(0.5);
    -webkit-font-smoothing: antialiased;
}
.buttons.back button:before {
    content: "<<";
}
.buttons.forward button:before {
    content: ">>";
}
#cotent_video {
    width: 100%;
    position: relative;
    overflow: hidden;
}
#cotent_video:hover .controls {
    transform: translateY(0);
}
.controls   {
    display: flex;
    position: absolute;
    bottom: 0;
    margin-left: 45px;
    flex-wrap: wrap;
    /* transform: translateY(0); */
    transform: translateY(100%) translateY(-5px);
    transition: all .2s;
}
#video{
    max-height: 32rem;
}