button.btn, a.btn {
    border: none;
    color: white;
    padding: 10px 18px;
    text-align: center;
    text-decoration: none;
    display: inline;
    font-size: 9px;
    margin: 4px 2px;
    cursor: pointer;
    -webkit-transition-duration: 0.4s;
    /* Safari */
    transition-duration: 0.4s;
}

.btn-danger {
    background-color: rgb(110, 19, 19);
}

.btn-primary {
    background-color: rgb(73, 45, 153);
}

.btn-info {
    background-color: rgb(52, 112, 180);
}

.btn-warning {
    background-color: rgb(180, 117, 23);
}


.btn:hover {
    box-shadow: 0 12px 16px 0 rgba(0, 0, 0, 0.24), 0 17px 50px 0 rgba(0, 0, 0, 0.19);
}


.button-group{
    display: block;
    width: 100%;
}

input[type="range"] {
    min-width: 286px;
}

select{
    min-width: 150px;
    padding: 12px 25px;
    display: block;
}