.proportion{
    padding: 0 !important;
    height: 2em !important;
    width: 2em;
    text-align: center;
    margin-top: -2px;
    margin-left: 15px;
}
.fa_down{
    margin-top: 7px;
    margin-left: -6px;
    position: absolute; 
}

.fa_inv{
    margin-top: 6px;
    margin-left: -6px;
    position: absolute; 
}

.fa_rol{
    margin-top: 6px;
    margin-left: -5px;
    position: absolute;  
}

.block_img {
   pointer-events: none;
   cursor: default;
}

.a_button{	
    /*top:-2px;*/
    position: relative;
    display: inline-block;
    height: 2em!important;
    width: 2em;
    overflow: hidden;
    vertical-align: baseline;
    color: #555;
    border-color: #ccc;
    background: #f7f7f7;
    box-shadow: 0 1px 0 #ccc;
    text-decoration: none;
    margin: 0;
    /*padding: 0 10px 1px;*/
    border-width: 1px;
    border-style: solid;
    -webkit-appearance: none;
    border-radius: 3px;
    white-space: nowrap;
    box-sizing: border-box;
	vertical-align: middle;
	text-align: center;
}

.a_button.tips:hover{
   text-decoration:none;
   color:#23282d;
   cursor:pointer!important;
}