* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100vh;
    background-image: url(image.jpg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

body::before{
    content: '';
    width: 100%;
    height: 100%;
    background-color: rgb(0, 0, 0, 0.75);
    position: absolute;
}

.container {
    position: relative;
    text-align: center;
    width: 550px;
    padding: 50px;
}

h3{
    color: rgb(0, 225, 255);
    margin-bottom: 30px;
    font-size: 34px;
}

.boxCopy {
    margin: 15px 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s ease;
    gap: 15px;
    margin-bottom: 20px;
}

.boxCopy .input {
    padding: 18px;
    outline: none;
    border: none;
    border-radius: 5px;
    width: 100%;
    font-size: 20px;
    color: #fff;
}

a {
    padding: 13px;
    background-color: #26c7c7;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    display: inline-block;
}

a::before {
    content: 'Copiado';
    position: absolute;
    top: -50px;
    right: -30px;
    background-color: #26c7c7;
    padding: 8px 10px;
    border-radius: 20px;
    font-size: 15px;
    z-index: 99;
    display: none;
}

a::after {
    content: '';
    position: absolute;
    top: -26px;
    right: 13px;
    width: 15px;
    height: 15px;
    background-color: #26c7c7;
    transform: rotate(45deg);
    display: none;
}

a.active::after,
 a.active::before {
    display: block;
}

.btn {
    cursor: pointer;
    border: none;
    padding: 9px 19px;
    border-radius: 6px;
    background-color: #26c7c7;
    color: #fff;
}

.btn:hover,
a:hover {
    background-color: #3eb5b96b;
    opacity: 0.5;
}