* {
    padding:0px;
    margin:0px;
    font-size:1em;
}
ul {
    list-style-type:none;
}
img {
    border-width:0px;
}
button {
    cursor:pointer;
}
a {
    text-decoration:none;
}
a:hover {
    text-decoration:underline;
}

/* text-align alias */
.center {
    text-align: center;
}
.left {
    text-align: left;
}
.right {  
    text-align: right;
}
.bold {
    font-weight: bold;
}

/* clearfix */
.clearfix:after {
    content: "";
    display: block;
    clear: both;
}