body {
    text-align: center;
}

.button {
    font-size: 14px;
    padding: 40px 40px;
    border-radius: 10px;
}

.btn-start {
    font-size: 14px;
    padding: 10px 18px;
    border-radius: 6px;
}
.btn-start:hover {
    background-color: lightgray;
}

.btn-red{
    background-color: red;
    transition: background-color 0.7s;
}
.btn-red:hover{
    background-color: lightsalmon;
}
.btn-lightred{
    background-color: lightsalmon;
}

.btn-yellow{
    background-color: gold;
    transition: background-color 0.7s;
}
.btn-lightyellow{
    background-color: lightgoldenrodyellow;
}
.btn-yellow:hover{
    background-color: lightgoldenrodyellow;
}

.btn-blue{
    background-color: blue;
    transition: background-color 0.7s;
}
.btn-lightblue{
    background-color: lightblue;
}
.btn-blue:hover{
    background-color: lightblue;
}

.btn-green{
    background-color: green;
    transition: background-color 0.5s;
}
.btn-lightgreen{
    background-color: lightgreen;
}
.btn-green:hover{
    background-color: lightgreen;
}

.p1{
    font-size: 18px;
}