.btn{
    display: inline-block;
    text-decoration: none;
    margin-right: 10px;
    border-radius: 5px;
    padding: 8px 10px;
    background: #15C5FF;
    color: white !important;
}

.btn:nth-of-type(2){
    background: #40C400;
}

 h3 {
   font-size:22px;
   font-weight: 500;
}

/* Unopened CSS Modal */
.cssmodal {
    display: flex;
    position:fixed;
    left: 0;
    top: -100%;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    opacity: 0;
    -webkit-transition: top 0s .5s, opacity .5s 0s;
    transition: top 0s .5s, opacity .5s 0s;
}

/* Opened CSS Modal */
.cssmodal:target {
    top: 0;
    opacity: 1;
    -webkit-transition: none;
    transition: none;
}

/* CSS Modal content */
.cssmodal figure {
    width: 95%;
    max-width: 500px;
    position: relative;
    padding: 1.1em;
    opacity: 0;
    background-color: white;
         -webkit-transition: opacity .5s;
    transition: opacity .5s;
}

/* Dialog modal style */
.cssmodal.dialog figure {
    background: white;
    border: 0px solid gray;
    box-shadow: 5px 5px 15px #333;
    border-radius: 15px;
    padding-top: 10px;
}

/* Dialog modal h2 style */
.cssmodal.dialog figure h2 {
    margin-top: 0;
    padding-bottom: 5px;
    border-bottom: 1px solid #eee;
}

/* CSS Modal content when opened */
.cssmodal:target figure {
    opacity: 1;
}

/* style for small x link inside dialog modal */
.cssmodal.dialog .smallclose {
    text-decoration: none;
    position: absolute;
    right: 6px;
    top: 0px;
    font-size:26px;
}

/* veil that covers page when CSS Modal is open */
.cssmodal .veil {
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    position: fixed;
    background-color: rgba(0,0,0,.0);
    content: "";
    cursor: default;
    visibility: hidden;
    -webkit-transition: all .5s;
    transition: all .5s;
}

/* big "x" at the upper right corner inside veil */
.cssmodal .veil::before, .cssmodal .veil::after {
    content: "";
    display: block;
    position: fixed;
    width: 50px;
    height: 6;
    background: white;
    top: 50%;
    cursor: pointer;
    text-indent: -1000px;
    z-index: 10;
    top: 20px;
    right: 5px;
    -webkit-transform: rotate(0);
    transform: rotate(0);
    -webkit-transition: all .5s;
    transition: all .5s;
}

/* veil style when CSS Modal is open */
.cssmodal:target .veil {
    visibility: visible;
}

/* animate veil "x"  when CSS Modal is open */
.cssmodal:target .veil::before, .cssmodal:target .veil::after {
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}

.cssmodal:target .veil::after {
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}