.block_inline{
    display: inline-block;
}

#block_text .tooltip_block {
    display: block;
    position: absolute;
    z-index: 1;
}

.arrow_box {
    visibility: hidden;
    min-width: 120px;
    background-color: #fff;
    border: #bababa solid 1px;
    color: #000;
    text-align: center;
    border-radius: 6px;
    padding-top: 1px;
    padding-right: 5px;
    padding-bottom: 1px;
    padding-left: 5px;
    position: absolute;
    z-index: 1;
    margin-top: 2px;
}
.arrow_box:after, .arrow_box:before {
	bottom: 100%;
	left: 364px;
	border: solid transparent;
	content: " ";
	height: 0;
	width: 0;
	position: absolute;
	pointer-events: none;
}

.arrow_box:after {
	border-color: rgba(255, 255, 255, 0);
	border-bottom-color: #ffffff;
	border-width: 5px;
	margin-left: -5px;
}
.arrow_box:before {
	border-color: rgba(176, 176, 176, 0);
	border-bottom-color: #b0b0b0;
	border-width: 6px;
	margin-left: -6px;
}


div#block_text:hover .arrow_box{
    visibility: visible;
}