body, html{
  background: #000000;
  background-color: #000000;
  /*background-image: url("../images/stars.gif");*/
  height: 100%;
  width: 100%;
  overflow: hidden;
  overflow-x: hidden;
  position: fixed;
  /*top: 0;*/
  /*left: 0;*/
  margin: 0;
}

.tatran-crab {
    margin: auto;
    position: absolute;
    left: 0;
    right: 0;
    height: calc(100% - 60px);
    width: auto;
    max-width: 100%;
    top: 60px;
    pointer-events: none;
    z-index: 1;
}

.neon-text {
    font-size: 30px;
    color: #fff;
    text-shadow: 0 0 5px #ff005e, 0 0 10px #ff005e, 0 0 20px #ff005e, 0 0 40px #ff005e, 0 0 80px #ff005e;
    animation: glow 1.5s infinite alternate;
    font-family: arial;
    margin-top: 0px;
    height: 20px;
}

@keyframes glow {
    0% {
        text-shadow: 0 0 5px #ff005e, 0 0 10px #ff005e, 0 0 20px #ff005e, 0 0 40px #ff005e, 0 0 80px #ff005e;
    }
    100% {
        text-shadow: 0 0 10px #00d4ff, 0 0 20px #00d4ff, 0 0 40px #00d4ff, 0 0 80px #00d4ff, 0 0 160px #00d4ff;
    }
}

.blue_gradient{
    background: #000000;
    background: linear-gradient(0deg,rgba(0, 0, 0, 1) 0%, rgba(23, 0, 171, 1) 10%, rgba(0, 43, 255, 1) 55%, rgba(34, 0, 255, 1) 91%, rgba(0, 149, 255, 1) 100%);
}

.menu_bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    margin: 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.menu_bar_icon {
    position: absolute;
    left: 5px;
    top: 0;
    bottom: 0;
    height: 45px;
    width: 45px;
    margin: auto;
    background-image: url("../images/favicon.jpg");
    background-size: contain;
    background-position: center;
    border-radius: 8px;
}

.menu_btn {
    position: absolute;
    right: 20px;
    color: white;
    font-size: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.menu_btn:hover{
    color: orange;
}

.menu_panel {
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    top: 50px;
    height: 0;
    width: 85%;
    border-radius: 0 0 25px 25px;
    border: 2px solid #1e05b6;
    z-index: 1000;
    max-width: 545px;
    background: rgba(0,0,0,0.8);
    overflow: hidden;
    /*transition: height .5s ease;*/
}

.menu_panel.open {
    /* OPEN to viewport height minus 100px, but via --vh (mobile safe) */
    height: calc(100% - 100px);
}

.menu_sub_panel {
    position: absolute;
    top: 35px;
    left: 0;
    right: 0;
    margin: auto;
    height: 550px;
    width: 85%;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    justify-content: space-evenly;
    align-items: center;
}

.menu_sub_btn {
    border: 2px solid blue;
    height: 50px;
    border-radius: 15px;
    color: #71b9ff;
    box-shadow: 0px 0px 30px dodgerblue;
    cursor: pointer;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    font-family: arial;
    font-size: 1.5rem;
    text-align: center;
    width: 85%;
    height: 70px;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -o-user-select: none;
    user-select: none;
}

.menu_sub_btn:hover{
    filter: brightness(150%);
}

.unselectable{
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
-o-user-select: none;
user-select: none;
}