style.css

html {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: #eceff1;
    
}

body {
    margin: 0; 
    font-size: 16px;
    line-height: 25px;
}

header {   
    text-align: center;
    padding: 20px 15%;    
    color: #5c5c5c;
    background: rgb(255, 255, 255);
    box-shadow: 0 3px 6px -3px #bdbdbd;
}

header p{
    text-align: justify;
    color: #5c5c5c;
}
main{
    padding-top: 1.5rem;
    line-height: 40px;
}

section {
    display:flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 0 10%;
}

section a {
    display:flex;
    flex-direction: column;

    flex: 250px;
    padding: 10px;
    margin: 10px;
    border-radius: 5px;
    background: rgb(255, 255, 255);
    text-decoration: none;
    color: black;
    border-bottom:3px solid #4285f4;
}


.jog0{
    display: flex;
    justify-content: space-between;
    margin-top: 0.3rem;
    font-size: 15px;
    color: #ccc;
}

.jog1{
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
}

button{
    background: #4285f4;
    color: white;
    border: none;
    padding: 0.3rem 0.5rem;
    margin-right: 0.2rem;
    border-radius: 3px;
}

button:focus{
    outline:0;
}