.container-header {
    width: 100%;
    padding-right: 3%;
    margin-left: auto;
    margin-right: auto;
    background-image: url(../images/bg-section.png);
    position: fixed !important;
    top: 20px;
    width: 98%;
    margin-left: 1%;
    border-radius: 7px;
}

.container-header-relative {
    width: 100%;
    padding-right: 3%;
    margin-left: auto;
    margin-right: auto;
    background-image: url(../images/bg-section.png);
    position: relative !important;
    top: 20px;
    width: 98%;
    margin-left: 1%;
    border-radius: 7px;
}

/** Animation bounce */
@keyframes bounce {
    0% {
        transform: translateY(-10px) scaleY(0.8);
    }

    100% {
        transform: translateY(10px) scaleY(1);
    }
}

#arrow-down {
    animation: bounce 1s cubic-bezier(0.5, 0.05, 1, 0.5) infinite alternate;
    transform-origin: right bottom;
}

.navbar-top {
    background-color: #fff;
    background-size: cover;
    background-position: 50%;
    background-repeat: no-repeat;
    position: relative;
    z-index: 30;
}