#testbutton {
    width: 100px;
    height: 40px;
    border-radius: 180px;
    position: relative;
    top: calc(50% - 25px);
    background: linear-gradient(60deg, #f79533, #f37055, #ef4e7b, #a166ab, #5073b8, #1098ad, #07b39b, #6fba82);
    cursor: pointer;
    line-height: 12px;
    display: inline;
}

#testbutton:before {
    content: '';
    z-index: 1;
    position: absolute;
    display: inline;
    width: 80%;
    height: 70%;
    top: 15%;
    left: 10%;
    transition: 0.3s opacity ease-in-out;
    filter: blur(15px);
    opacity: 0;
    background: linear-gradient(60deg, #f79533, #f37055, #ef4e7b, #a166ab, #5073b8, #1098ad, #07b39b, #6fba82);
}

#testbutton:hover:before {
    opacity: 1;
    transition: 0.3s opacity ease-in-out;
    filter: blur(25px);
    background: linear-gradient(60deg, #f79533, #f37055, #ef4e7b, #a166ab, #5073b8, #1098ad, #07b39b, #6fba82);
}

#testbutton:after {
    content: 'info@ekmengumruk.com';
    text-align: center;
    line-height: 35px;
    font-size: 14px;
    color: rgba(235,235,235,1);
    font-weight: bold;
    z-index: 5;
    position: absolute;
    display: inline;
    border-radius: 180px;
    width: 92%;
    height: 80%;
    top: 10%;
    left: 4%;
    background-color: rgb(19, 20, 22);
}

#customers {
    font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
    border-collapse: collapse;
    width: 100%;
}

#customers td, #customers th {
    border: 1px solid #ddd;
    padding: 8px;
}

#customers tr:nth-child(even) {
    background-color: #f2f2f2;
}

#customers tr:hover {
    background-color: #ddd;
}

#customers th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: left;
    background-color: #4CAF50;
    color: white;
}