.tests_container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.floating_button {
    position: absolute;
    bottom: 15px;
    right: 15px;
    width: 50px;
    height: 50px;
    margin: 0px;
    padding: 0px;
    border-radius: 50%;
}

g * {
    fill: white;
}

.floating_button:hover {
    box-shadow: 0 6px 12px 0 rgba(0, 0, 0, 0.2);
}

.floating_button:hover * {
    fill: #43a047;
    -transition: all 0.3s;
    -ms-transition: all 0.3s;
    -o-transition: all 0.3s;
    transition: all 0.3s;
}

.test.card {
    position: relative;
    padding-bottom: 60px;
    max-width: 400px;
    margin-top: 30px;
    flex-grow: 1;
}