body {
    margin: 0;
    padding: 0;
    font-family:Arial, Helvetica, sans-serif;
    background-color: #1e272e;

    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
section div {
    width: 350px;
    height: 250px;
    position: relative;
}
section .haut {
    display: flex;
    justify-content: center;
    align-items: center;
    transform: translateY(125px);
    background-color: #1e272e;
    z-index: 1;
    transition: 1s;
}
section:hover .haut {
    transform: translateY(0);
    background-color: rgb(29,161,242);
}
section .haut i {
    font-size: 120px;
    color: rgba(29,161,242,0.5);
}
section:hover .haut i {
    color: rgba(255,255,255,1);
}
section .bas {
    text-align: center;
    background-color: #d2dae2;
    padding: 20px;
    box-sizing: border-box;
    transform: translateY(-125px);
    transition: 1s;
}
section:hover .bas {
    transform: translateY(0);
}
section .bas button {
    padding: 6px 25px;
    background: none;
    border: 2px solid #ff3f34;
    border-radius: 50px;
    cursor: pointer;
    transition: 0.5s;
}
section .bas button a {
    text-decoration: none;
    font-size: 15px;
    color: #ff3f34;
}
section .bas button:hover {
    background: #ff3f34;
    border: 2px solid #d2dae2;
}
section .bas button:hover a {
    color: white;
}