.loginlink {
    height: 100%;
    position: relative;
    display: inline-block;
    padding-right: 1em;
    padding-left: 2em;
    width: 50px;
}

.loginlinkbtn {
    height: 100%;
    width: 100%;
    background-color: transparent;
    border: none;
    cursor: pointer;
    background-image: url(./Password-26.png);
    background-position: center center;
    background-size: 75%;
    background-repeat: no-repeat;
    margin: auto;
}

.loginlink:hover .loginlinkbtn {    
    background-image: url(./Password-26-hover.png);
}