a {
    cursor: pointer;
}

.hidden {
    display:none;
}


.w-wide {
    width: 600px;
}

.w-large {
    width: 400px;
}

.txt-center {
    text-align: center;
}

.h-1line {
    height: 1em;
}

.center {
    display: block;
    margin:auto;
}