.scroll-box {
	position: absolute;
	z-index: 100;
	bottom: 0;
    left: 50%;
    text-align: center;
}
.scroll {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    position: relative;
    animation: down 3s infinite;
    margin: 20px auto 60px auto;
    box-sizing: border-box;
    opacity: 0.5;
    cursor: pointer;
}
.scroll:hover {
    opacity: 0.8;
}
.scroll::before {
    content: '';
    position: absolute;
    top: 11px;
    left: 15px;
    width: 18px;
    height: 18px;
    border-left: 2px solid #f7f7f7;
    border-bottom: 2px solid #f7f7f7;
    transform: rotate(-45deg);
}
@keyframes down {
    0% {
        transform: translate(0);
    }
    20% {
        transform: translateY(10px);
    }
    40% {
        transform: translate(0);
    }
}
@media (max-width: 1199px) { 
    .scroll-box {
        display: none;
    }
}