#exercise {
    display: flex;
    flex-direction: column;
    width: 60%;
    align-self: center;
    border-radius: 20px;
    padding: 30px;
    background-color: #80e1e7c9;
    box-shadow: -1px 2px 11px 5px rgba(113, 116, 115, 0.66);
    margin-top: 30px;
}


#exercise h1,
#exercise h2,
#exercise h3 {
    margin: 10px;
    padding: 10px;
    text-align: center;
}

#exercise p {
    font-weight: normal;
    padding: 2px;
    margin: 10px;
}

#exercise input {

    margin: 2px;
    padding: 2px;
    width: auto;

}

#exercise button,
#exercise input[type="reset"] {
    border-radius: 5px;
    width: 8em;
    height: 2em;
    margin: 10px;
    border: 1px solid gray;
    cursor: pointer;
}

#exercise input[type=reset] {
    float: right;
}

@media only screen and (max-width: 600px) { /*on small screen set the buttons in a grid*/
    #exercise-buttons {
        display: grid;
    }
}