body {
    margin: 3em 2em 2em 2em;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-style: flat;
    background-image: url(https://cartway.ma/wp-content/uploads/2024/11/Capture-decran-2024-11-25-a-15.34.36.png)
}

.tree {
    margin: 0 auto;
    text-align: center;
    width: 100%;
    max-width: 800px;
}

.tree .username {
    text-transform: uppercase;
    font-weight: 600;
    margin: 2em;
    font-family: 'Montserrat';
}

.tree .links a {
    margin: 0.75em auto;
}

.tree .footer {
    margin: 2rem;
}

.tree .profile-pic {
    width: 150px;
    border-radius: 50%;
    text-align: center;
}

a.btn {
    background-color: #fff;
    padding: 35px
}

a:active {
    color: black;
}

a:focus {
    color: white;
    outline: none;
}

a:visited {
    color: white;
    outline: none;
}


.btn-group-lg > .btn,
.btn-lg {
    padding: 0.5rem 1rem;
    font-size: 1.6rem;
    font-family: 'Montserrat';
    color: white;
    font-weight: 700;
    line-height: 1.5;
    border-radius: 0.3rem;
    border-radius: 10px
}

@-webkit-keyframes shaker {
    0% {
        -webkit-transform: translate(4px, 0);
    }

    50% {
        -webkit-transform: translate(-4px, 0);
    }

    100% {
        -webkit-transform: translate(4px, 0);
    }
}

.shake {
    -webkit-animation-name: shaker;
    -webkit-animation-duration: 0.1s;
    -webkit-transform-origin: 50% 50%;
    -webkit-animation-timing-function: linear;
    background-color: #c0392b;
}

.shake:hover {
    background-color: #e74c3c;
}

.shake .default {
    display: none;
}

a:hover {
    color: white;
}