.btntotop {
    display: none;
    position: fixed;
    width: 70px;
    height: 70px;
    bottom: 50px;
    right: 50px;
    background-color: #2e2e2e;
    z-index: 999999;
    opacity: 0.5;
    transition: all 0.3s;
    align-items: center;
    text-align: center;
    cursor: pointer;
}
.btntotop:hover {
    background-color: #2e2e2e;
    opacity: 1;
    transition: all 0.3s;
}
.btntotop img {
    align-items: center;
    height: fit-content;
    margin: 0 auto;
}

@media screen and (max-width: 1680px) {
    .btntotop {
        width: 60px;
        height: 60px;
        bottom: 15px;
        right: 40px;
    }
}
@media screen and (max-width: 768px) {
    .btntotop {
        width: 52px;
        height: 52px;
        bottom: 24px;
        right: 24px;
    }
	.btntotop:hover {
		opacity: 0.5;align-content
	}
}