body {
    display: flex;
    justify-content: center;
}

@media screen and (max-width: 900px) {
    body{
        flex-direction: column;
    }   
    .col_reg,
    .col_log {
        padding: 4%;
        display: flex;
        flex-direction: column;
        margin-bottom: 50px;
    } 
    /* ! КОСТЫЛЬ */
    .alert-cont{
        top: 50px;
    }

    .to-about{
        margin-top: 20px;
    }
}
@media screen and (min-width: 900px) {
    body {
        flex-direction: row;
    }
    .col_reg,
    .col_log {
        padding: 2%;
        width: 46%;
        display: flex;
        flex-direction: column;
        min-height: calc(96vh - 60px);
    }

    .to-about{
        margin-top: 190px;
    }
}

h1,h3 {
    font-family: "Pacifico", cursive;
}
h1{
    font-weight: 500;
}
.to-about{
    font-family: "Jost";
    display: flex;
    color: cadetblue;
}
.entrance{
    color: rgb(130, 41, 214);
}
.register{
    color: white;
}
h3{
    font-weight: 300;
}
.checkbox-pass-label{
    font-family: "Jost";
    display: flex;
}
.tvac{
    padding-top: 8px;
    color: rgb(55, 94, 95);
}
.tvac_white{
    padding-top: 8px;
    color: white;
}
.div-privacy{
    margin-top: 5px;
    font-family: "Jost";
    color: white;
}
.a-privacy{
    color: white;
}
@media screen and (max-width: 900px) {
    .password-checkbox{
        width: 24px;
        height: 24px;
    }
    .checkbox-pass-label{
        font-size: 20px;
        margin: 7px 0px;
    }
}
@keyframes neon-glow {
  from {
    text-shadow: 0 0 5px #0ff, 0 0 10px #0ff, 0 0 20px #0ff;
  }
  to {
    text-shadow: 0 0 10px #0ff, 0 0 20px #0ff, 0 0 30px #0ff;
  }
}

.col_reg {
    /* background-color: rgb(190, 86, 196); - мой вариант */
    background-color: rgb(138, 43, 226);
}

input{
    font-family: "Jost", serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    font-size: large;
    margin-top: 10px;
}

.name, .info, #l_pass, #r_pass, #r_pass2 {
    border: none;
    box-shadow: 
    0 0 12px rgba(89, 45, 125, 0.6),
    inset 0 0 8px rgba(255, 255, 255, 0.2);
    border-radius: 18px;
    padding: 12px 18px;
}

h1,
h2,
h3,
h4 {
    margin: 0;
}
.logimg{
    position: relative;
    object-fit: contain;
    height: 30px;
    left: 0px;
}