button {
    --c: #800000;
    /* the color*/

    box-shadow: 0 0 0 .1em inset var(--c);
    --_g: linear-gradient(var(--c) 0 0) no-repeat;
    background:
        var(--_g) calc(var(--_p, 0%) - 100%) 0%,
        var(--_g) calc(200% - var(--_p, 0%)) 0%,
        var(--_g) calc(var(--_p, 0%) - 100%) 100%,
        var(--_g) calc(200% - var(--_p, 0%)) 100%;
    background-size: 50.5% calc(var(--_p, 0%)/2 + .5%);
    outline-offset: .1em;
    transition: background-size .4s, background-position 0s .4s;
}

button:hover {
    --_p: 100%;
    transition: background-position .4s, background-size 0s;
    color: white;
}

button:active {
    box-shadow: 0 0 9e9q inset #0009;
    background-color: var(--c);
    color: #fff;
}


button {
    font-family: system-ui, sans-serif;
    font-size: 1rem;
    margin-top: 15px;
    cursor: pointer;
    padding: .4em .8em;
    font-weight: bold;
    border: none;
}

button:hover a{
    color: #ffff;
}

button a{
    color: #000;
}



/* logo  */

.blink {
    margin-top: 3px;
    width: 180px;
    height: auto;
    text-align: center;
    border: 2px solid #800000;
    border-radius: 12px;
    padding: 5px;
    position: relative;
    
  }
  .title-text {
    font-size: 40px;
    font-weight: bolder !important;
    color: #800000;
    animation: blink 2s linear infinite;
    
    
  }
  @keyframes blink {
    0% {
      opacity: 0;
    }
    50% {
      opacity: .5;
    }
    100% {
      opacity: 1;
    }
  }