.title_content {
    padding: 0px 0px 0px 50px;
    position: relative;
    vertical-align:bottom;
}

.box{
    overflow:hidden;
}
.a1{
    display:inline-block;
    background-image:url(../img/南京爱普雷德电子Logo.png);
    width:140px;
    height:80px;
}
.a2{
    display:inline-block;
    vertical-align: bottom;
}