.h_login {float:right;padding-right:20px;width: 130px;color: #fff;}
.h_login a{color:#fff;}
.h_login b{
    font-size: 0;
    line-height: 0;
    border-width: 6px;
    border-color:#fff;
    border-bottom-width: 0;
    border-style: dashed;
    border-top-style: solid;
    border-left-color: transparent;
    border-right-color: transparent;
    display: none;
	cursor: pointer;
    margin-left: 8px;
}
 .h_login:hover ul{
    display: block;
}

.h_login ul{
    position: absolute;
    background-color:rgba(0,106,192,0.5);
    width: 91px;
    text-align: center;
    top: 30px;
    display: none;
    line-height: 30px;
    padding-bottom: 10px;
}
.h_login ul a{
	color:#fff;
}