body {
    background-color: black;
}
* {
    box-sizing: border-box;
}

.separator {
    display: block;
    margin-left: auto;
    margin-right: auto;
    height: 0.24vw;
    width: 50%;
    border-radius: 0.12vw;
    background: linear-gradient(to right, #2D82B7, #99907D, #42E2B8);
}

.wrapper {
    width: 100%;
    margin: 20px auto;
}
  
.cards_wrap {
    display: flex;
    flex-wrap: wrap;
    justify-content: center; /* Add this line */
    align-items: center; /* Add this line */
}
  
.cards_wrap .card_item {
    width: 22%;
    padding: 10px;
}
  
.cards_wrap .card_inner {
    /*background: #fff;*/
}

@media (max-width: 1024px) {
    .cards_wrap .card_item {
      width: 25%;
    }
}
  
/*@media (max-width: 824px) {
    .cards_wrap .card_item {
      width: 35%;
    }
}*/
  
@media (max-width: 730px) {
    .cards_wrap .card_item {
      width: 35%;
    }
}

.card_item {
    width: 100%;
    transition: 0.2s all ease-in-out;
    box-shadow: 0 4px 8px 0 rgba(131, 131, 131, 0.5);
    padding: 16px;
    margin-left: 0.5vw;
    margin-right: 0.5vw;
    margin-top: 0.5vw;
    margin-bottom: 0.5vw;
    text-align: center;
    background-color: #3a5477;
    border-radius: 2vW;
}
.card_item:hover {
    transform: scale(1.025);
}

#profilePhoto {
    display: block;
    border-radius: 50%;
    margin-top: 4%;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 2px 5px 8px 0px rgba(131, 131, 131, 0.5)
}

#sigmathAd {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    height: auto;
    margin-top: 0%;
}

#shortDescription{
    /*margin-bottom: 3%;*/
}
h1 {
    color: white;
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 2.75vw;
    margin-top: 1%;
    font-weight: bold;
}
h2 {
    color: white;
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 2vw;
    font-weight: lighter;
}
h3 {
    color: white;
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1.4vw;
    margin-top: -2%;
    font-weight: lighter;
}
.secondaryTitle {
    color: white;
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 2.75vw;
    margin-top: 3vw;
    font-weight: bold;
}
.SkillName {
    color: white;
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 2.5vw;
    margin-top: 1%;
    font-weight: lighter;
}

.certificate {
    display: block;
    margin-left: auto;
    margin-right: auto;
    transition: 0.2s all ease-in-out;
    width: 100%;
    height: auto;
    margin-top: 1.5%;
    border-top-left-radius: 2vw;
    border-top-right-radius: 2vw;
    border-bottom-left-radius: 2vw;
    border-bottom-right-radius: 2vw;
    box-shadow: 2px 5px 8px 0px rgba(131, 131, 131, 0.5)
}
.certificate:hover {
    transform: scale(1.012);
}
.certificateDiv {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 60%;
    height: auto;
}

.ad {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 60%;
    height: auto;
}

#cssImg {
    margin-top: 1%;
    margin-bottom: 1%;
}
#javascriptImg, #opencvImg {
    margin-top: 2%;
    margin-bottom: 2%;
}
#javaImg, #htmlImg, #firebaseImg {
    margin-top: 3%;
    margin-bottom: 3%;
}
#gitImg {
    margin-top: 4%;
    margin-bottom: 4%;
}
#kotlinImg {
    margin-top: 5%;
    margin-bottom: 5%;
}