.sp5p_button
{
width:81px;
height:26px;
border:none;
background: transparent;
background-image:url('button1.svg');
/*background-size: 162px 25px;*/
background-position: 0px 0px;
cursor:pointer;
background-repeat:no-repeat;
}

.sp5p_button:hover
{


  filter: brightness(1.1);
    -webkit-filter: brightness(1.1);
    -moz-filter: brightness(1.1);
    -o-filter: brightness(1.1);
    -ms-filter: brightness(1.1);
}


.sp5p_button2
{
width:83px;
height:26px;
border:none;
background-size: 81px 25px;
background-image:url('button2.svg');
}