img {
    height: 180px;
    width: auto;
}

p.select-title{
    font-size: 40px;
}

p.title {
    font-size: 50px;
    font-weight: bold;
}

p.explanation {
    font-size: 25px;
}

.left-image {
    height: 350px;
    width: auto;
    float: middle;
}

.btn-gradient-radius-easy {
    display: inline-block;
    padding: 10px 70px;
    border-radius: 35px;
    text-decoration: none;
    color: #FFF;
    background-image: linear-gradient(45deg, #7fffd4 0%, #00ffaa 100%);
    transition: .4s;
    margin-bottom: 20px;
    margin-top: 10px;
    font-size: 2.5em;
}
  
.btn-gradient-radius-easy:hover {
background-image: linear-gradient(45deg, #53ffc6 0%, #06d38e 100%);
}

.btn-gradient-radius-normal {
    display: inline-block;
    padding: 10px 70px;
    border-radius: 35px;
    text-decoration: none;
    color: #FFF;
    background-image: linear-gradient(45deg, #ffdb99 0%, #ffa500 100%);
    transition: .4s;
    margin-bottom: 20px;
    margin-top: 10px;
    font-size: 2.5em;
}
  
.btn-gradient-radius-normal:hover {
background-image: linear-gradient(45deg, #FFC107 0%, #f76a35 100%);
}

.btn-gradient-radius-difficult {
    display: inline-block;
    padding: 10px 70px;
    border-radius: 35px;
    text-decoration: none;
    color: #FFF;
    background-image: linear-gradient(45deg, #ff9999 0%, #ff0000 100%);
    transition: .4s;
    margin-bottom: 20px;
    margin-top: 10px;
    font-size: 2.5em;
}
  
.btn-gradient-radius-difficult:hover {
background-image: linear-gradient(45deg, rgb(255, 89, 89) 0%, #e03c00 100%);
}