style.css

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333;
  color: #FFF;
}
#app{
  width: 100%;
  height: 100%;
  position: fixed;
}
#menu{
  position: absolute;
  left: 0;
  bottom: 0;
  margin-left: 10px;
}

ul {
    padding:0px;
}
li {
	display: inline-block;
}
.mb-10{
	line-height:40px;
    margin-bottom:20px;
}
 
.btn-mod,
a.btn-mod{
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    padding: 4px 13px;
    color: #fff;
    background: rgba(255,255,266, .9);
    border: 2px solid transparent;
    font-size: 11px;
    font-weight: 400;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: 2px;
     
    -webkit-border-radius: 0;
    -moz-border-radius: 0;
    border-radius: 0;
     
}
.btn-mod:hover,
.btn-mod:focus,
a.btn-mod:hover,
a.btn-mod:focus{
    font-weight: 400;
    color: rgba(255,255,255, .85);
    background: rgba(0,0,0, .7);
    text-decoration: none;
    outline: none;
}
.btn-mod:active{
    cursor: pointer !important;
}
/* ==============================
   ボタンサイズ
   ============================== */
.btn-mod.btn-small{
    padding: 6px 17px;
    font-size: 11px;
    letter-spacing: 1px;
} 
.btn-mod.btn-medium{
    padding: 8px 37px;
    font-size: 12px;
} 
.btn-mod.btn-large{
    padding: 12px 45px;
    font-size: 13px;
} 
/* ==============================
   border黒枠ボタン
   ============================== */
.btn-mod.btn-border{
    color: #111;
    border: 2px solid #151515;
}
.btn-mod.btn-border:hover,
.btn-mod.btn-border:focus{
    color: #111;
    border-color: transparent;
    background: #FFF;
}
/* ==============================
   角丸ボタン
   ============================== */
.btn-mod.btn-circle{
    -webkit-border-radius: 30px;
    -moz-border-radius: 30px;
    border-radius: 30px;
}