.container {
    width: 80%;
    margin: 0 auto;
}

.header {
    margin-bottom: 40px;
}

.header h1 {
    text-align: center;
}

.selector {
    position: relative;
}

.p {
  display: inline;
  text-align: justify;
}

.image {
     display: inline-block;
     float: left;
}

.column {
     display: inline-block;
     float: left;
     width: 30%;
     height: 100%;
     padding: 0 20px;
}

.main-text {
        clear: both;
        padding-top: 60px
}