在ie下兼容p标签内多个span标签会错开没有对齐

Question

[1]<p class="list_p"><span class="list_span">代</span> <span class="list_span1">用名</span></p>
.list_p {

font-size: 50px;
color: black;
width: 150px;
height: 112px;
border: 1px solid;

}

.list_p span {

display: inline-block;
height: 112px;
/*border: 1px solid;*/
border-bottom: 4px solid blue;

}
.list_span1{

height: 112px;
border-bottom: 4px solid blue;

}