我已经尝试了很多，但无法弄清楚什么是错的。将鼠标悬停在可用余额 问号（？） 上时，z-index根本不起作用。将鼠标悬停在问号 （？） 上时，可以注意到工具提示正在被表格标题区域切割。有人可以指导我需要改变什么吗？这是我正在使用的完整代码。对于长代码很抱歉，但是我试图尽可能多地为某人解决这个问题。
/* SECONDARY TOOLTIP (S) */
[tooltip] {
position: relative;
}
/* Arrow */
[tooltip]:before {
width: 16px;
height: 6px;
left: 50%;
margin-top: 1px;
top: calc(100% - 10px);
opacity: 1;
content: '';
position: absolute;
z-index: 10;
box-sizing: border-box;
border-left: 8px solid transparent;
border-right: 8px solid transparent;
border-bottom: 10px solid #00204e;
transform: translate(-50%, 0%);
opacity: 0;
-webkit-transition: all 0.2s cubic-bezier(0.71, 1.7, 0.77, 1.24);
-moz-transition: all 0.2s cubic-bezier(0.71, 1.7, 0.77, 1.24);
-ms-transition: all 0.2s cubic-bezier(0.71, 1.7, 0.77, 1.24);
-o-transition: all 0.2s cubic-bezier(0.71, 1.7, 0.77, 1.24);
transition: all 0.2s cubic-bezier(0.71, 1.7, 0.77, 1.24);
pointer-events: none;
}
/* Text */
[tooltip]:after {
transform: translate(-50%, 0%);
left: 50%;
margin-top: 11px;
top: calc(100% - 10px);
opacity: 1;
font-weight: normal;
text-shadow: none;
background: #00204e;
border-radius: 4px;
color: #fff;
content: attr(tooltip);
padding: 10px;
position: absolute;
white-space: normal;
width: max-content;
font-size: 9px;
font-family: 'Helvetica Neue';
line-height: normal;
max-width: 150px;
text-align: left;
height: auto;
display: inline-block;
opacity: 0;
-webkit-transition: all 0.2s cubic-bezier(0.71, 1.7, 0.77, 1.24);
-moz-transition: all 0.2s cubic-bezier(0.71, 1.7, 0.77, 1.24);
-ms-transition: all 0.2s cubic-bezier(0.71, 1.7, 0.77, 1.24);
-o-transition: all 0.2s cubic-bezier(0.71, 1.7, 0.77, 1.24);
transition: all 0.2s cubic-bezier(0.71, 1.7, 0.77, 1.24);
pointer-events: none;
/* overflow: overlay; */
z-index: 999999;
}
[tooltip]:hover:before,
[tooltip]:hover:after {
opacity: 1;
pointer-events: auto;
top: calc(100% + 0px);
z-index: 99999;
overflow: visible;
position: absolute;
}
/* SECONDARY TOOLTIP (E) */
.claro .dojoxGridHeader:first-child .dojoxGridRowTable {
border-left-width: 0;
}
.claro .dojoxGridMasterHeader .dojoxGridRowTable {
border-left: 1px solid #BCBCBC;
border-right: 1px solid white;
background-color: transparent;
}
.base .dojoxGridRowTable {
height: 30px !important;
word-wrap: break-word;
}
table.dojoxGridRowTable {
table-layout: auto;
}
.dojoxGridHeader table {
text-align: center;
}
.dojoxGrid table {
padding: 0;
}
.dojoxGridRowTable {
table-layout: fixed;
width: 0;
empty-cells: show;
}
table {
font-size: 100%;
}
table[Attributes Style] {
border-top-width: 0px;
border-right-width: 0px;
border-bottom-width: 0px;
border-left-width: 0px;
-webkit-border-horizontal-spacing: 0px;
-webkit-border-vertical-spacing: 0px;
}
user agent stylesheet
table {
display: table;
border-collapse: separate;
border-spacing: 2px;
border-color: grey;
}
.claro .dojoxGridHeader:first-child {
/* margin-left: -50px; */
text-align: left;
margin: 0px -1px;
}
.dojoxGridHeader {
position: absolute;
overflow: hidden;
cursor: default;
}
.base .dojoxGrid {
background-color: #FFFFFF;
font-size: 12px;
color: #00204e;
padding: 0px 1px 20px 0px;
border-top: 0px;
height: 40px;
/* margin-top: 115px; */
/* border-top: solid 1px #D0D0D0; */
/* border-bottom: solid 1px #D0D0D0; */
/* margin-bottom: 20px; */
width: 100%;
/* width: 647px; */
/* height: 226px !important; */
}
.base .dojoxGrid {
background-color: transparent;
border-width: 1px 0 0 0;
font-size: 1em;
}
.base .dojoxGrid {
font-size: 0.916em;
}
.dojoxGrid {
position: relative;
background-color: #EBEADB;
font-family: Geneva, Arial, Helvetica, sans-serif;
-moz-outline-style: none;
outline: none;
overflow: hidden;
height: 0;
}
.portlet {
margin: 4px 0 30px 0;
padding: 0;
font-size: 0.75em;
}
body {
/* font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; */
font-size: 14px;
color: #00204c;
/* margin-left: 125px; */
margin: 0 auto;
}
tbody {
display: table-row-group;
vertical-align: middle;
border-color: inherit;
}
.base .dojoxGridRowTable {
height: 30px !important;
word-wrap: break-word;
}
.dojoxGridHeader table {
text-align: center;
}
.dojoxGridRowTable {
table-layout: fixed;
width: 0;
empty-cells: show;
}
table {
font-size: 100%;
}
table {
display: table;
border-collapse: separate;
border-spacing: 2px;
border-color: grey;
}
.claro .dojoxGridHeader:first-child {
/* margin-left: -50px; */
text-align: left;
margin: 0px -1px;
}
.dojoxGridHeader {
position: absolute;
overflow: hidden;
cursor: default;
}
.base .dojoxGrid {
background-color: #FFFFFF;
font-size: 12px;
color: #00204e;
padding: 0px 1px 20px 0px;
border-top: 0px;
height: 40px;
/* margin-top: 115px; */
/* border-top: solid 1px #D0D0D0; */
/* border-bottom: solid 1px #D0D0D0; */
/* margin-bottom: 20px; */
width: 100%;
/* width: 647px; */
/* height: 226px !important; */
}
.base .dojoxGrid {
background-color: transparent;
border-width: 1px 0 0 0;
font-size: 1em;
}
.base .dojoxGrid {
font-size: 0.916em;
}
.dojoxGrid {
position: relative;
background-color: #EBEADB;
font-family: Geneva, Arial, Helvetica, sans-serif;
-moz-outline-style: none;
outline: none;
overflow: hidden;
height: 0;
}
.claro .dojoxGridHeader .dojoxGridRowTable tr {
background: none;
}
.claro .dojoxGridRowTable tr {
background: url(images/row_back.png) #fff repeat-x;
}
tr {
display: table-row;
vertical-align: inherit;
border-color: inherit;
}
.base .dojoxGridRowTable {
height: 30px !important;
word-wrap: break-word;
}
.dojoxGridHeader table {
text-align: center;
}
.dojoxGridRowTable {
table-layout: fixed;
width: 0;
empty-cells: show;
}
table {
font-size: 100%;
}
table {
display: table;
border-collapse: separate;
border-spacing: 2px;
border-color: grey;
}
.claro .dojoxGridHeader:first-child {
/* margin-left: -50px; */
text-align: left;
margin: 0px -1px;
}
.dojoxGridHeader {
position: absolute;
overflow: hidden;
cursor: default;
}
.base .dojoxGrid {
background-color: #FFFFFF;
font-size: 12px;
color: #00204e;
padding: 0px 1px 20px 0px;
border-top: 0px;
height: 40px;
/* margin-top: 115px; */
/* border-top: solid 1px #D0D0D0; */
/* border-bottom: solid 1px #D0D0D0; */
/* margin-bottom: 20px; */
width: 100%;
/* width: 647px; */
/* height: 226px !important; */
}
.base .dojoxGrid {
background-color: transparent;
border-width: 1px 0 0 0;
font-size: 1em;
}
.base .dojoxGrid {
font-size: 0.916em;
}
.dojoxGrid {
position: relative;
background-color: #EBEADB;
font-family: Geneva, Arial, Helvetica, sans-serif;
-moz-outline-style: none;
outline: none;
overflow: hidden;
height: 0;
}
#AccountSummarySavingsListPortlet th[idx="3"], #AccountSummarySavingsListPortlet td[idx="3"] {
text-align: right !important;
}
.claro .dojoxGridHeader tr:first-child .dojoxGridCell {
border-top: 1px solid transparent;
}
.base .dojoxGridHeader th.dojoxGridCell {
background: none repeat scroll 0 0 #FFFFFF;
font-size: 1em;
font-weight: bold;
color: #00204e;
border-bottom: thin;
border-bottom-style: solid;
border-bottom-color: #D0D0D0;
height: 20px;
text-align: left !important;
/* white-space: nowrap !important; */
padding: 15px 0px;
}
.base .dojoxGridHeader th.dojoxGridCell {
background: none repeat scroll 0 0 #7692B7;
}
.base .dojoxGridHeader .dojoxGridCell {
padding: 5px;
}
.base .dojoxGridHeader .dojoxGridCell {
border: 1px solid #fff;
font-weight: bold;
color: #fff;
}
.base .dojoxGridHeader .dojoxGridCell {
text-align: center;
}
.claro .dojoxGridHeader .dojoxGridCell {
padding: 2px 5px;
background: transparent;
border-bottom: 1px solid #BCBCBC;
border-top: 1px solid white;
border-left: 1px solid white;
border-right: 1px solid #BCBCBC;
vertical-align: top;
}
.claro .dojoxGridHeader .dojoxGridCell {
background: url(images/header.png) #e5edf4 repeat-x top;
border-style: solid;
border-width: 1px;
border-color: #BCBCBC #BCBCBC #BCBCBC transparent;
}
.base .dojoxGrid th {
text-align: center;
}
.base .dojoxGridCell {
border: none;
/* padding-left: 0px; */
}
.base .dojoxGridCell {
border: none;
/* padding-left: 0px; */
}
.base .dojoxGridCell {
border: 1px solid #fff;
padding-left: 3px !important;
}
.claro .dojoxGridCell, .claro .dojoxGridCellFocus {
outline: none;
}
.claro .dojoxGridCell {
padding: 3px 5px;
border-color: transparent #E5DAC8 #E5DAC8 transparent;
}
.claro .dojoxGridCell {
padding: 0px;
border: 1px solid transparent;
}
.base .dojoxGridHeader th.dojoxGridCell {
background: none repeat scroll 0 0 #FFFFFF;
font-size: 1em;
font-weight: bold;
color: #00204e;
border-bottom: thin;
border-bottom-style: solid;
border-bottom-color: #D0D0D0;
height: 20px;
text-align: left !important;
/* white-space: nowrap !important; */
padding: 15px 0px;
}
.base .dojoxGridHeader th.dojoxGridCell {
background: none repeat scroll 0 0 #7692B7;
}
.base .dojoxGridHeader .dojoxGridCell {
padding: 5px;
}
.base .dojoxGridHeader .dojoxGridCell {
border: 1px solid #fff;
font-weight: bold;
color: #fff;
}
.base .dojoxGridHeader .dojoxGridCell {
text-align: center;
}
.claro .dojoxGridHeader .dojoxGridCell {
padding: 2px 5px;
background: transparent;
border-bottom: 1px solid #BCBCBC;
border-top: 1px solid white;
border-left: 1px solid white;
border-right: 1px solid #BCBCBC;
vertical-align: top;
}
.claro .dojoxGridHeader .dojoxGridCell {
background: url(images/header.png) #e5edf4 repeat-x top;
border-style: solid;
border-width: 1px;
border-color: #BCBCBC #BCBCBC #BCBCBC transparent;
}
.base .dojoxGrid th {
text-align: center;
}
.base .dojoxGridCell {
border: none;
/* padding-left: 0px; */
}
.base .dojoxGridCell {
border: none;
/* padding-left: 0px; */
}
.base .dojoxGridCell {
border: 1px solid #fff;
padding-left: 3px !important;
}
.claro .dojoxGridCell, .claro .dojoxGridCellFocus {
outline: none;
}
.claro .dojoxGridCell {
padding: 3px 5px;
border-color: transparent #E5DAC8 #E5DAC8 transparent;
}
.claro .dojoxGridCell {
padding: 0px;
border: 1px solid transparent;
}
.dojoxGridHeader .dojoxGridCell {
border: 1px solid;
border-color: #F6F4EB #ACA899 #ACA899 #F6F4EB;
background: url(images/grid_dx_gradient.gif) #E8E1CF top repeat-x;
padding-bottom: 2px;
}
.dojoxGridCell {
border: 1px solid;
border-color: #EBEADB;
border-right-color: #D5CDB5;
padding: 3px 3px 3px 3px;
text-align: left;
overflow: hidden;
}
caption, th {
text-align: left;
}
address, caption, cite, code, dfn, th, var {
font-style: normal;
font-weight: normal;
}
body, div, dl, dt, dd, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, textarea, p, blockquote, th, td {
/* margin: 0; */
padding: 0;
}
th {
font-weight: bold;
text-align: -internal-center;
}
table {
font-size: 100%;
}
/*------------------------------------------ */
table {
display: table;
border-collapse: separate;
border-spacing: 2px;
border-color: grey;
}
#A_12 {
border: 1px solid #00204e;
border-radius: 50%;
}<table class="dojoxGridRowTable" border="0" cellspacing="0" cellpadding="0" role="presentation" style="width: 1001px;" id="TABLE_1"><tbody id="TBODY_2"><tr id="TR_3"><th tabindex="-1" aria-readonly="true" role="columnheader" id="TH_4" class="dojoxGridCell dojoDndItem dojoxGridCellFocus" idx="0" style="text-align: center;text-align: center;width:30%;" dndtype="gridColumn_grid1522757357169402654"><div class="dojoxGridSortNode" id="DIV_5">Account</div></th><th tabindex="-1" aria-readonly="true" role="columnheader" id="TH_6" class="dojoxGridCell dojoDndItem" idx="1" style="text-align: center;text-align: center;width:5%;" dndtype="gridColumn_grid1522757357169402654"><div class="dojoxGridSortNode" id="DIV_7">Currency</div></th><th tabindex="-1" aria-readonly="true" role="columnheader" id="TH_8" class="dojoxGridCell dojoDndItem" idx="2" style="text-align: right;text-align: center;width:12%;" dndtype="gridColumn_grid1522757357169402654"><div class="dojoxGridSortNode" id="DIV_9">Pending balance</div></th><th tabindex="-1" aria-readonly="true" role="columnheader" id="TH_10" class="dojoxGridCell dojoDndItem" idx="3" style="text-align: right;text-align: center;width:12%;" dndtype="gridColumn_grid1522757357169402654"><div class="dojoxGridSortNode" id="DIV_11">Available balance</div><a tooltip="this is a test" style="
position: relative;
text-align: center;
width: 100%;
display: block;
/* overflow: visible; */
" id="A_12">?</a>
</th><th tabindex="-1" aria-readonly="true" role="columnheader" id="TH_13" class="dojoxGridCell dojoDndItem" idx="4" style="text-align: center;text-align: center;width:12%;" dndtype="gridColumn_grid1522757357169402654"><div class="dojoxGridSortNode" id="DIV_14">Accrued Interest Rate</div></th><th tabindex="-1" aria-readonly="true" role="columnheader" id="TH_15" class="dojoxGridCell dojoDndItem" idx="5" style="text-align: center;text-align: center;width:10%;" dndtype="gridColumn_grid1522757357169402654"><div class="dojoxGridSortNode" id="DIV_16">Active</div></th><th tabindex="-1" aria-readonly="true" role="columnheader" id="TH_17" class="dojoxGridCell dojoDndItem " idx="6" style="text-align: center;text-align: center;width:12%;" dndtype="gridColumn_grid1522757357169402654"><div class="dojoxGridSortNode" id="DIV_18">Interest Rate</div></th></tr></tbody></table>
答案 0 :(得分：1)
因为溢出隐藏在类.dojoxGridCell
中设置溢出以继承
.dojoxGridCell {
border: 1px solid;
border-color: #EBEADB;
border-right-color: #D5CDB5;
padding: 3px 3px 3px 3px;
text-align: left;
overflow: inherit;
}