.controls {
    float: right;
}

.monthPlanning {
    font-size: 50px;
    margin: 20px 25px 0 80px;
}

.icon-calendar {
    margin-right: 20px;
}

.containerPlanning {
    display: flex;
    padding: 10px 20px;
}

.hour {
    margin-top: 40px;
    margin-right: 20px;
}

button {
    font-family: Lato;
    font-weight: bold;
    background-color: unset;
    font-size: 50px;
    margin: 0 4px;
    cursor: pointer;
    border: none;
    border-radius: 6px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #eee;
}

@media screen and (max-width: 900px) {
    .monthPlanning {
        font-size: 30px;
        margin: 20px 25px 0 80px;
    }
    button {
        font-size: 30px;
    }
    .icon-calendar {
        margin-right: 10px;
    }
}

@media screen and (max-width: 515px) {
    .monthPlanning {
        text-align: center;
    }
    .controls {
        position: fixed;
        font-size: 40px;
        bottom: 20px;
        right: 40px;
        background-color: #fff;
        border-radius: 8px;
        box-shadow: 4px 4px 4px 0px rgba(0, 0, 0, 0.1);
    }
    .controls button {
        font-size: 40px;
    }
}

@media screen and (max-width: 430px) {
    .monthPlanning {
        margin-left: 20px;
    }
}

@media screen and (max-width: 370px) {
    .monthPlanning {
        font-size: 25px;
    }
}