Elementor read more toggle button

Add class readmoretoggle

    
body:not(.elementor-editor-active) .readmoretoggle .elementor-tab-title.elementor-active{
display: none;
}  

    
body:not(.elementor-editor-active) .readmoretoggle .elementor-tab-title.elementor-active{
display: none;
}

.readmoretoggle .elementor-toggle .elementor-tab-title {
display: flex;
justify-content: center;
}  

    
body:not(.elementor-editor-active) .readmoretoggle .elementor-tab-title.elementor-active{
display: none;
}

/* button styling below */
.readmoretoggle .elementor-tab-title a{
display:inline-block;
padding:0.4em 1.6em;
margin:0.14em 0 ;
border:0.16em solid rgba(0,0,0,0);
border-radius:2em;
font-weight:300;
color:rgba(255,255,255,0.9); /* button text color */
text-align:center;
background-color: rgba(0,0,0,.71); /* button color */
transition: all 0.34s ease;
}

/* hover button styling */
.readmoretoggle .elementor-tab-title a:hover{
color:rgba(255,255,255,1); /* change color of text when hovering */
transform: scale(1.03); /* delete to remove the zoom in effect */
} 

.readmoretoggle .elementor-tab-title.elementor-active::before {
    content: 'Read Less';
    font-family:roboto;
    font-weight: 400;
    font-size: 16px;
    color: #000000;
    }

.readmoretoggle .elementor-toggle-item {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    flex-direction: column-reverse;
}

.readmoretoggle .elementor-tab-title.elementor-active a{
    display:none;
} 

body:not(.elementor-editor-active) .readmoretoggle .elementor-tab-title.elementor-active {
display: block !important;
}

body:not(.elementor-editor-active) .readmoretoggle .elementor-tab-title.elementor-active {
display: flex;
justify-content: center;
}

#elementor-tab-title-1611 {
    text-align: center;
}

CSS Texts slide transition hover effect.

.portfolio-sec .work-navigation a:hover {
    -webkit-transition: all 0.8s cubic-bezier(0, 0, 0.23, 1);
    transition: all 0.8s cubic-bezier(0, 0, 0.23, 1);
    background-position: 0%;
}

.portfolio-sec .work-navigation a {
    text-decoration: none;
    display: block;
    transition: .8s ease;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-image: -webkit-gradient(linear, left top, right top, from(#ec3737), color-stop(50%, #ec3737), color-stop(50%, #000000));
    background-image: linear-gradient(to right, #ec3737, #ec3737 50%, #000000 50%);
    background-size: 200% 100%;
    background-position: 100%;
}

Line bounce CSS

selector:after {
    content: '';
    display: block;
    position: absolute;
    border: 1px solid #fff;
    left: -20px;
    right: -20px;
    top: -20px;
    bottom: -20px;
    border-radius: 50%;
    animation: line-bounce 1.5s linear infinite;
    opacity: 0;
    backface-visibility: hidden;
}