.cover-container {
  max-width: 42em;
    padding: 0!important;
}

body {
    background-size: cover;
    background-position: center;
    height: 100vh;
    background-color: #d8d8d8;
}

.cover {
  padding: 0;
}

.cover img {
    transition: all 0.3s;
    filter: grayscale(30%)
}

.cover img:hover {
    filter: grayscale(0)
}

.cover .btn-lg {
    padding: .45rem 1.45rem;
    font-weight: 500;
    margin: 10px;
    border-radius: 50px;
    text-transform: uppercase;
    background-color: #fbc000;
    font-size: 0.8em;
    border: 0;
}

.cover .btn-lg:hover {
    background-color: #e6b000;
}

.copyrigth {
    font-size: 0.7em;
    text-align: center;
}

.copyrigth a, p {
    color: #808080;
}

.copyrigth img {
    width: 35px;
    margin-left: 10px;
    transition: all 0.3s;
}

.copyrigth img:hover {
    transform: scale(1.1);
}