html {
    font-family:sans-serif;
    font-size:120%;
    text-align:center;
}

body {
    background-color:#eeeeff;
}
h1, h2 {
    text-align:center;
}
hr {
    border-color:#000000;
}
a {
    color:#0000ff;
    text-decoration:none;
}
a:hover {
    text-decoration:underline;
    color:#0000aa;
}
input {
    background-color:#8888dd;
    color:#ffffaa;
    font-weight:bold;
}
.menu_item {
    margin-left:30px;
    margin-right:30px;
}
.concert_info {
    font-size:100%;
    width:30%;
    height:130px;
    border-style:solid;
    border-color:#000000;
    border-width:2px;
    margin:1%;
    float:left;
}
#menu {
    text-align:center;
}
#mainbox {
    margin-left:auto;
    margin-right:auto;
    width:80%;
    
}
#concert_box {
    width:100%;
    min-height:500px;
    padding:2px;
}